Search results “The copenhagen interpretation”

Video clips from The Copenhagen Interpretation 2004 (http://www.ph.utexas.edu/movies/).

Views: 46994
Patrik Čermák

What is COPENHAGEN INTERPRETATION? What does COPENHAGEN INTERPRETATION mean? COPENHAGEN INTERPRETATION meaning - COPENHAGEN INTERPRETATION definition - COPENHAGEN INTERPRETATION explanation.
Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license.
The Copenhagen interpretation is an expression of the meaning of quantum mechanics that was largely devised in the years 1925 to 1927 by Niels Bohr and Werner Heisenberg. It remains one of the most commonly taught interpretations of quantum mechanics.
According to the Copenhagen interpretation, physical systems generally do not have definite properties prior to being measured, and quantum mechanics can only predict the probabilities that measurements will produce certain results. The act of measurement affects the system, causing the set of probabilities to reduce to only one of the possible values immediately after the measurement. This feature is known as wavefunction collapse.
There have been many objections to the Copenhagen Interpretation over the years. Some have objected to the discontinuous jumps when there is an observation, the probabilistic element introduced upon observation, the subjectiveness of requiring an observer, the difficulty of defining a measuring device or to the necessity of invoking classical physics to describe the "laboratory" in which the results are measured.
Alternatives to the Copenhagen Interpretation include the many-worlds interpretation, the De Broglie-Bohm (pilot-wave) interpretation, and quantum decoherence theories.

Views: 5942
The Audiopedia

Link to my video on the Double Slit Experiment: https://youtu.be/rzrQ7IXYB3Q
Link to my survey!:
https://www.surveymonkey.com/r/NWZLNF7 music: https://www.bensound.com/royalty-free-music/world-others music: https://www.bensound.com/royalty-free-music/world-others

Views: 398
Physics Fun

Is our universe a definitive single reality or is it merely one within an infinitely branching multiverse? Be sure to check out Physics Girl’s Dianna Cowern for more awesome science https://www.youtube.com/c/physicsgirl
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The Copenhagen interpretation of quantum mechanics tells us that observation collapses a probability wave into a single definitive outcome, but this isn’t the only interpretation of quantum mechanics. The many worlds theory proposes that the wavefunction never actually collapses. The observer simply follows one of those many possible paths into their present reality while all the other paths continue on independent of the observer. Each of these paths branches off into an entirely different reality. In this episode Matt discusses the details of the many worlds theory and why it’s not so far-fetched to think that our reality is simply one of an infinite number of realities existing within space time.
Links to sources:
The Quantum Experiment that Broke Reality
https://www.youtube.com/watch?v=p-MNSLsjjdo
Hugh Everett's Ph.D. Dissertation
http://www-tc.pbs.org/wgbh/nova/manyworlds/pdf/dissertation.pdf
Crazy Pool Vortex
https://www.youtube.com/watch?v=pnbJEg9r1o8
Previous Episode
https://www.youtube.com/watch?v=jowVq81AgGw
Written and hosted by Matt O’Dowd
Produced by Rusty Ward
Made by Kornhaber Brown (www.kornhaberbrown.com)

Views: 1198606
PBS Space Time

Read full article
https://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&cad=rja&uact=8&ved=0ahUKEwjYntqev6nNAhWiCcAKHVtpDaoQFghPMAg&url=http%3A%2F%2Fwww.informationphilosopher.com%2Fintroduction%2Fphysics%2Fcopenhagen_interpretation.html&usg=AFQjCNGqUdBoO0y4bvwKleCmHeANN_6vBw&sig2=B5DT5ML9mTKm4Bxi1P6KkA

Views: 2257
Quantum Realities

Even the professional understanding of quantum mechanics is "embarrassing", says cosmologist Sean Carroll.
Read Sean's blog on this subject at http://bit.ly/V1SUpV and the full paper at http://arxiv.org/abs/1301.1069
We filmed with Sean during his visit to the University of Nottingham and will have more videos with him coming soon.
Check out Sean's website (and his excellent books) at: http://preposterousuniverse.com/
Read his Higgs Boson book: http://amzn.to/Nvdn8P
Visit the SIxty Symbols website at http://www.sixtysymbols.com/
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And Twitter at http://twitter.com/#!/periodicvideos
This project features scientists from The University of Nottingham
http://www.nottingham.ac.uk/physics/index.aspx
Sixty Symbols videos by Brady Haran
A run-down of Brady's channels:
http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html

Views: 725998
Sixty Symbols

Basil Hiley, Emiretus Professor of Physics Discusses the difference between David Bohm's Interpretation of Quantum phenomenon to that of Copenhagen interpretation.

Views: 45499
tgozel

This video gives an objective reality to quantum mechanics! Giving us an alternative to the Copenhagen Interpretation explaining reality as a continuum where new quantum particles our continuously being formed. We feel this process as the forward passage of time itself that forms the geometry of spacetime.
The quantum wave-particle function that is explained mathematically by Schrödinger's wave equation represents the forward passage of time itself photon by photon or moment by moment.
Therefore Heisenberg's Uncertainty Principle is the same uncertainty that we have with any future event and time is the Hidden Variable of quantum physics.

Views: 3435
Dyslexic Artist Theory on the Physics of 'Time'

Dr. David Wallace briefly discusses the many worlds interpretation of quantum mechanics and why it's the most straightforward interpretation of the theory as a theory about the universe. This is from Oxford University.

Views: 7017
Philosophy Overdose

To help support this ministry click here: http://www.patreon.com/inspiringphilosophy
This is a video presenting the objections to the Many Worlds Interpretation of Quantum Mechanics. I argue from skeptics in physics, it is not a complete interpretation and doesn't compete with stand interpretations.
Music:
Two Steps from Hell - Love & Loss
https://www.youtube.com/watch?v=FlfAOSYOs4E
Mervin Mathew - Battle Begins
https://www.youtube.com/watch?v=RGxLWcN06n8
Sources:
http://arxiv.org/abs/gr-qc/9703089
http://plato.stanford.edu/entries/qm-manyworlds/
http://www.physics.wustl.edu/alford/many_worlds_FAQ.html
http://arxiv.org/abs/1106.4481
http://www.newscientist.com/article/dn20600-quantum-magic-trick-shows-reality-is-what-you-make-it.html
http://arxiv.org/pdf/quant-ph/0011086.pdf
http://arxiv.org/abs/0905.0624
http://arxiv.org/abs/quant-ph/0110148
http://arxiv.org/abs/quant-ph/0312059
http://arxiv.org/abs/quant-ph/0103043
http://arxiv.org/abs/1111.2189
http://arxiv.org/pdf/0801.0337.pdf

Views: 41027
InspiringPhilosophy

Schrödinger's Cat is a commonly brought up thought experiment created by Erwin Schrodinger. It is often brought up to explain that objects a cat in a box can be both alive and dead at this. But despite this being so common, it is completely missing the point.
Schrödinger came up with the thought experiment to explain why he thought it was ridiculous to consider that the Cat was both alive and dead at the same time.
What people often leave out is that the event which causes the cat to die needs to be quantum in origin. Before the thought experiment, Scientists had discovered that objects on the atomic scale could be in a superposition where its situation could be described as two different states, but only when observed did it collapse into a single state.
The thought experiment is that if the Cat will die if the quantum object is in one state. The logic says that since until we observe the thing, the quantum object will still be in superposition so the cat could be described as in superposition.
Schrödinger used this to say that the Copenhagen interpretation, which said that things could be in superposition and ONLY collapsed when observed, was wrong because it resulted in this ridiculous conclusion.
Here is the full text of the letters Schrodinger exchanged with Albert Einstein:
One can even set up quite ridiculous cases. A cat is penned up in a steel chamber, along with the following device (which must be secured against direct interference by the cat): in a Geiger counter, there is a tiny bit of radioactive substance, so small, that perhaps in the course of the hour one of the atoms decays, but also, with equal probability, perhaps none; if it happens, the counter tube discharges and through a relay releases a hammer that shatters a small flask of hydrocyanic acid. If one has left this entire system to itself for an hour, one would say that the cat still lives if meanwhile no atom has decayed. The psi-function of the entire system would express this by having in it the living and dead cat (pardon the expression) mixed or smeared out in equal parts.
It is typical of these cases that an indeterminacy originally restricted to the atomic domain becomes transformed into macroscopic indeterminacy, which can then be resolved by direct observation. That prevents us from so naively accepting as valid a "blurred model" for representing reality. In itself, it would not embody anything unclear or contradictory. There is a difference between a shaky or out-of-focus photograph and a snapshot of clouds and fog banks.
— Erwin Schrödinger, Die gegenwärtige Situation in der Quantenmechanik (The present situation in quantum mechanics), Naturwissenschaften
(translated by John D. Trimmer in Proceedings of the American Philosophical Society)
Einstein's follow up:
You are the only contemporary physicist, besides Laue, who sees that one cannot get around the assumption of reality, if only one is honest. Most of them simply do not see what sort of risky game they are playing with reality—reality as something independent of what is experimentally established. Their interpretation is, however, refuted most elegantly by your system of radioactive atom + amplifier + charge of gunpowder + cat in a box, in which the psi-function of the system contains both the cat alive and blown to bits. Nobody really doubts that the presence or absence of the cat is something independent of the act of observation
I also included a poem at the end based on The Road Not Taken by Rober Frost
Schrodinger's Cat: https://en.wikipedia.org/wiki/Schr%C3%B6dinger%27s_cat
Quantum Superposition: https://en.wikipedia.org/wiki/Quantum_superposition
Wave function collapse: https://en.wikipedia.org/wiki/Wave_function_collapse
Copenhagen Interpretation: https://en.wikipedia.org/wiki/Copenhagen_interpretation
Quantum Interpretations: https://en.wikipedia.org/wiki/Interpretations_of_quantum_mechanics
Quantum Entanglement: https://en.wikipedia.org/wiki/Quantum_entanglement
Schrodinger's Equation: https://en.wikipedia.org/wiki/Schr%C3%B6dinger_equation
The Road Not Taken:
https://en.wikipedia.org/wiki/The_Road_Not_Taken
Robert Frost:
https://en.wikipedia.org/wiki/Robert_Frost

Views: 7271
VanDeGraph2

Kopenhagener Deutung - eine der mehreren Interpretationen der Quantenmechanik, die in den Schulen und Universitäten so gelehrt wird, als gäbe es keine Alternativen... In diesem Video lernst du die Merkmale der dominierenden Kopenhagener Deutung kennen. Sie wurde hauptsächlich von den Vätern der Quantenmechanik, Niels Bohr und Werner Heisenberg formuliert und basiert auf Wahrscheinlichkeit, die nicht mit der klassischen Wahrscheinlichkeit unseres Alltags vergleichbar ist. Das Ergebnis eines Würfels lässt sich unter der Voraussetzung, dass man alle auf ihn einwirkenden Kräfte kennt, berechnen; während das Verhalten eines Quantenobjekts (z.B. Elektron), sich naturgemäß nicht berechnen lässt. An einem Doppelspalt-Experiment sieht man diese Unvorhersagbarkeit deutlich. Sogar Teilchen sind in der Lage Interferenz am Schirm zu verursachen; vorausgesetzt: sie werden nicht gemessen. Sobald eine Messung stattfindet, verschwindet das Interferenzmuster; weil die Superposition des Quantenobjekts -- laut der Kopenhagener Deutung -- zerstört wird (Kollaps der Wellenfunktion). Ein wichtiger Bestandteil dieser Interpretation neben dem Korrespondenzprinzip, ist auch der Welle-Teilchen-Dualismus. Ein Quantenobjekt, das sich sowohl als ein Teilchen und auch als eine Welle charakterisiert und niemals vorhersagbar ist? Albert Einstein war jedenfalls damit nicht einverstanden, weshalb er mit zwei anderen Physikern das EPR-Paradoxon (Einstein-Podolsky-Rosen-Paradoxon) formulierte und eher das Konzept "Verborgene-Variablen-Theorie" verfolgte. Zu diesem Konzept gehört beispielsweise die Bohmsche Mechanik.
Kopenhagener Deutung - Lernsammlung:
https://universaldenker.de/theorien/48
Wer ist der Sprecher?
https://universaldenker.de/alexander-fufaev

Views: 22745
Universaldenker

Geneva, 5 October 2016
Could the Copenhagen interpretation be useful for our understanding of Quantum Cosmology?
Abstract: It is generally accepted that the Copenhagen Interpretation is inapplicable to Quantum Cosmology, by contrast with the many worlds interpretation. I shall try to demonstrate that the two basic principles of the Copenhagen interpretation, the principle of integrity and the principle of complementarity, do make sense in Quantum Gravity, since we can judge about quantum gravitational processes in the very early Universe by their vestiges in our macroscopic Universe. I shall present the extended phase space approach to Quantum Gravity and show that it can be interpreted in the spirit of the Everett's "relative states" formulation, while there is no contradiction between the "relative states" formulation and the mentioned basic principles of the Copenhagen Interpretation.
In terms of technical difficulty, this talk rates 4/5

Views: 190
Beyond Spacetime

Wave-Particle Duality, A Fundamental Property of the Universe visualized: raindrops on a car windshield and sunlight rippling through a venetian blind to form moving patterns on a white wall (June 2009). Garageband mix in September 2009.

Views: 6448
Jan Kather

The double slit experiment radically changed the way we understand reality. To check out any of the lectures available from The Great Courses Plus go to http://ow.ly/QVaz302duhX and get ready to learn about everything from cooking to calculus.
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The double slit experiment radically changed the way we understand reality. Find out what the ramifications of this experiment were and how we can use it to better comprehend our universe.
Written and hosted by Matt O’Dowd
Made by Kornhaber Brown (www.kornhaberbrown.com)
Previous Episode https://www.youtube.com/watch?v=eJ2RNBAFLj0
The Planck Length and the Origin of Quantum Mechanics
https://www.youtube.com/watch?v=tQSbms5MDvY
Veritasium and the Double Slit Experiment
https://www.youtube.com/watch?v=GzbKb59my3U
Is Quantum Tunneling Faster than Light?
https://www.youtube.com/watch?v=-IfmgyXs7z8
Comments by:
Jason Blank
https://www.youtube.com/watch?v=_NqbRcwWwPw&lc=z13mhf0rcurtybftb23nf3yalruqvx2dm
Deisisase
https://www.youtube.com/watch?v=_NqbRcwWwPw&lc=z13uifuzxlr3xvc1022ly1jo4uijfjhgj04
Bike Jake
https://www.youtube.com/watch?v=_NqbRcwWwPw&lc=z13mcnhbglncgpbc122wgxsabw31xdvqw04
An Imposter
https://www.youtube.com/watch?v=_NqbRcwWwPw&lc=z12hyl5z4lvsjdihn04cgbhbsnnivhbgdqw0k

Views: 2985916
PBS Space Time

View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel
Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment.
Lesson by Chad Orzel, animation by Agota Vegso.

Views: 2668745
TED-Ed

Probabilistic description of physics.
https://sites.google.com/a/ttsd.k12.or.us/tuhsphysics/home/htp-ib-physics/atomic-and-nuclear

Views: 946
Christopher Murray

Julia explains what she learned about quantum mechanics (and in particular the Many Worlds interpretation) from a chat with physicist Sean Carroll.
Check out the episode of the podcast I'm referencing here, at:
http://rationallyspeakingpodcast.org/show/rs133-sean-carroll-on-the-many-worlds-interpretation-is-prob.html
(And read more about me at http://juliagalef.com)

Views: 162936
Julia Galef

There’s one interpretation of the meaning of quantum mechanics that manages to skip a lot of the unphysical weirdness of the mainstream interpretations: it's de Broglie-Bohm pilot wave theory.
Help us continue making this show by contributing here: https://www.patreon.com/pbsspacetime
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There are some pretty out-there explanations for the processes at work behind the incredibly successful mathematics of quantum mechanics - things are both waves and particles at the same time, the act of observation defines reality, cats are alive and dead, or even: the universe is constantly splitting into infinite alternate realities. The weird results of quantum experiments seem to demand weird explanations of the nature of reality. In this episode, Matt discusses de Broglie-Bohm pilot wave theory, the one interpretation of quantum mechanics that remains comfortably, stodgily physical.
Links to Sources
The Quantum Experiment that Broke Reality
https://www.youtube.com/watch?v=p-MNSLsjjdo&t=53s
The Many Worlds of the Quantum Multiverse
https://www.youtube.com/watch?v=dzKWfw68M5U&t=690s
Is This What Quantum Mechanics Looks Like?
https://www.youtube.com/watch?v=WIyTZDHuarQ
A Suggested Interpretation of the Quantum Theory in Terms of "Hidden" Variables. I:
David Bohm, 1952, Phys. Rev. 85, 166
http://journals.aps.org/pr/abstract/10.1103/PhysRev.85.166
Bohms original paper is behind the journal paywall (sorry!), however many other readings on Bohmian mechanics are available here:
http://www.bohmian-mechanics.net/readings_books.html
Previous Space Time Episode
https://www.youtube.com/watch?v=u4RNGRyzt10
Written and hosted by Matt O’Dowd
Produced by Rusty Ward
Made by Kornhaber Brown (www.kornhaberbrown.com)
Comments Answered by Matt
Burak Bağdatlı
https://www.youtube.com/watch?v=u4RNGRyzt10&lc=z13hvpcjrlndslnyb04cctjqrvb4hpkphe4
Sebastián López
https://www.youtube.com/watch?v=u4RNGRyzt10&lc=z124yxrjyw3ywvicm23wspagcxracphvg
The757packerfan
https://www.youtube.com/watch?v=u4RNGRyzt10&lc=z13ujbnznvmfjnhag04cgtprtriafnj4t2k
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Will and Sonja Marple

Views: 987910
PBS Space Time

Check: https://youtu.be/Hs_chZSNL9I
The World of Quantum - Full Documentary HD
http://www.advexon.com For more Scientific DOCUMENTARIES.
Subscribe for more Videos...
Quantum mechanics (QM -- also known as quantum physics, or quantum theory) is a branch of physics which deals with physical phenomena at nanoscopic scales where the action is on the order of the Planck constant. It departs from classical mechanics primarily at the quantum realm of atomic and subatomic length scales. Quantum mechanics provides a mathematical description of much of the dual particle-like and wave-like behavior and interactions of energy and matter. Quantum mechanics provides a substantially useful framework for many features of the modern periodic table of elements including the behavior of atoms during chemical bonding and has played a significant role in the development of many modern technologies.
In advanced topics of quantum mechanics, some of these behaviors are macroscopic (see macroscopic quantum phenomena) and emerge at only extreme (i.e., very low or very high) energies or temperatures (such as in the use of superconducting magnets). For example, the angular momentum of an electron bound to an atom or molecule is quantized. In contrast, the angular momentum of an unbound electron is not quantized. In the context of quantum mechanics, the wave--particle duality of energy and matter and the uncertainty principle provide a unified view of the behavior of photons, electrons, and other atomic-scale objects.
The mathematical formulations of quantum mechanics are abstract. A mathematical function, the wavefunction, provides information about the probability amplitude of position, momentum, and other physical properties of a particle. Mathematical manipulations of the wavefunction usually involve bra--ket notation which requires an understanding of complex numbers and linear functionals. The wavefunction formulation treats the particle as a quantum harmonic oscillator, and the mathematics is akin to that describing acoustic resonance. Many of the results of quantum mechanics are not easily visualized in terms of classical mechanics. For instance, in a quantum mechanical model the lowest energy state of a system, the ground state, is non-zero as opposed to a more "traditional" ground state with zero kinetic energy (all particles at rest). Instead of a traditional static, unchanging zero energy state, quantum mechanics allows for far more dynamic, chaotic possibilities, according to John Wheeler.
The earliest versions of quantum mechanics were formulated in the first decade of the 20th century. About this time, the atomic theory and the corpuscular theory of light (as updated by Einstein)[1] first came to be widely accepted as scientific fact; these latter theories can be viewed as quantum theories of matter and electromagnetic radiation, respectively. Early quantum theory was significantly reformulated in the mid-1920s by Werner Heisenberg, Max Born and Pascual Jordan, (matrix mechanics); Louis de Broglie and Erwin Schrödinger (wave mechanics); and Wolfgang Pauli and Satyendra Nath Bose (statistics of subatomic particles). Moreover, the Copenhagen interpretation of Niels Bohr became widely accepted. By 1930, quantum mechanics had been further unified and formalized by the work of David Hilbert, Paul Dirac and John von Neumann[2] with a greater emphasis placed on measurement in quantum mechanics, the statistical nature of our knowledge of reality, and philosophical speculation about the role of the observer. Quantum mechanics has since permeated throughout many aspects of 20th-century physics and other disciplines including quantum chemistry, quantum electronics, quantum optics, and quantum information science. Much 19th-century physics has been re-evaluated as the "classical limit" of quantum mechanics and its more advanced developments in terms of quantum field theory, string theory, and speculative quantum gravity theories. https://www.youtube.com/watch?v=ZsVGut7G-dU
quantum solace, quantum world, #quantum

Views: 6891408
Advexon Science Network

What we know and what we don't know. There are 3 conventional schools of thought on Quantum Mechanics: there is the Orthodox position which is the Copenhagen interpretation of Quantum Physics who use the Schrodinger-Dirac formalisms based on Max Born's Statistical Interpretation of Quantum Mechanics (http://en.wikipedia.org/wiki/Copenhagen_interpretation) Heisenberg's Matrix formalisms were later shown to be mathematically identical to Shrodinger's Hilbert Space (abstract vector spaces with all the properties of function spaces) based mathematics. This school of thought maintains that quantum mechanics can only be understood in this way (from the observation of photons) and we'll never be able to figure out or understand the inner workings of what's really going on inside the atom. This school of thought is content with not knowing where photons come from during drops in energy states, and maintain that this is just the way it is. PERIOD.
There is the Agnostic Position, they don't care they just use what works and don't get involved in the debates or philosophies.
And then there is the Realist Position which is the one that Einstein and Planck took. Planck maintained that we needed to figure out how his constant was derived from deeper physics, but Heisenberg just rolled with it...
Einstein swore till his death bed that this interpretation of quantum physics was wrong, but could never figure out the answer to make everything work.
The argument rages on about the deeper physics of what is really going on, and what types of things will be unlocked once we finally do figure it out...
Till then...
A paper on unsolved problems in Quantum Physics:
http://www.azonano.com/news.asp?newsID=6725
Top Ten unsolved problems in Physics: (one person's list anyway)
http://www.oglethorpe.edu/faculty/~m_rulison/top10.htm
And of course this fun list:
http://en.wikipedia.org/wiki/List_of_unsolved_problems_in_physics

Views: 59848
ColdFusionNow

The world of quantum mechanics is magical. In it, our particles exist in multiple places at once, exhibit wave like behavior, can move through matter and a number of other crazy amazing things.
#breakthroughjuniorchallenge

Views: 169
Aalia Habib

Learn more about How to Teach Physics to Your Dog at http://books.simonandschuster.ca/How-to-Teach-Physics-to-Your-Dog/Chad-Orzel/9781416572299?mcd=vd_youtube_book Chapter 3 of Chad Orzel’s How to Teach Physics to Your Dog

Views: 2604
Simon & Schuster Books

This is the second digital assessment for my first semester Physics 1001 course.
Thank you for watching. :)

Views: 213
BRISHTI MUKHOPADHYAY 15BBT0172

Quantum mechanics has been interpreted as describing particles that become waves, then collapse to particles again either because of measurement or because of consciousness (the Copenhagen interpretation). It has been interpreted as describing particles that are guided by waves (the Bohm interpretation). It has been interpreted as describing multiple universes that split from each other every time a quantum event occurs. Perhaps the most interesting interpretation says that the observers are entangled with quantum events in such a way that the "real world" isn't really real and information takes precedence over such concepts as time, space, matter, and energy, which are therefore derivative. Closely related is the idea that we live in a "simulation." Arguments supporting or detracting from such interpretations are explored.
1. https://en.wikipedia.org/wiki/Interpretations_of_quantum_mechanics
2. https://www.youtube.com/watch?v=dEaecUuEqfc
3. https://en.wikipedia.org/wiki/Relational_quantum_mechanics
4. http://henry.pha.jhu.edu/aspect.html
For additional recordings on various topics regarding faith and science visit: http://ItsAboutGod.tv/sls

Views: 428
ItIsAboutGod

http://www.facebook.com/CopenhagenFL

Views: 687
Sage McGill

This is a talk I gave at the Quantum Theory: Reconsideration of Foundations 6 Conference in Vaxjo, Sweden on June 12th, 2012. It summarizes a framework based on some original ideas for making sense out of the mathematical formalism of quantum mechanics, and provides an interpretation that is closest in spirit to the Copenhagen Interpretation, except that it provides answers to several "why" questions which that interpretation leaves unresolved. I hope you will find this framework interesting.
A few clarifications on specific ideas I tried to convey in my talk but now think didn't do very well:
9:42 I meant to simply state this: in order for two time dimensions to be distinct, they must be orthogonal because from special relativity we know that non-orthogonal time dimensions cannot be distinguished.
11:51 When I said" What happens when the period is longer than tau_a" I misspoke. tau_A is proportional to the period no matter how long. What I meant to say was, "what happens if we consider time intervals that are longer than the period."
12:34 the "geometric set up" I refer to is just this: Two orthogonal time dimensions, one of which is finite and therefore "shorter" than the other (which keeps on increasing), and which are compared indirectly by means of the periodic rotation of the amplitude in the abstract plane formed by them.
13:02 the part I skipped was going to show why the postulated mechanism for indirectly comparing the two time dimensions can be considered a "symmetry": the mechanism is invariant under time reversal because the rotation of the amplitude must go both forward and backward 'simultaneously'. This is required in order to avoid for the indirect comparison to become a net transformation between the time dimensions (A net transformation would imply that the time dimensions are no longer orthogonal, and therefore no longer distinct. This claim follows directly from the fact that in Special Relativity there are two time parameters, proper time and coordinate time, which are related to each other by the Lorentz factor, gamma. One way to think of gamma inverse is that it tells us how much of coordinate time is "projected" onto coordinate time: If 1/gamma is 1 (i.e. observer is at rest relative to what he is observing) all of it is, and if 1/gamma is zero, none of it is projected, which is to say, in that case only the two time parameters cannot be expressed in terms of each other. This is exactly like the orthogonality between vectors). But that means each phase factor derived from this mechanism is only associated with one factor of the product of two factors which represents all possible spacetime manifestations of the areatime object (since addition in the exponent, representing the 'superposition of 2 rotations', corresponds to multiplying their factors together). Thus, the wave function, which is only associated with one of the two complex conjugate phase factors, is also associated only with what is in some sense a "square root" of all possible spacetime manifestations. To obtain the representation of all possible spacetime manifestations, one must take its absolute square, which in this context amounts to placing the two rotations 'on top' of each other. When the to rotations are 'on top' of each other, this becomes just the identity transformation (mathematically the product of two complex conjugate phases), which preserves the distinctness of the two time dimensions, as required.
22:56 Here I don't think I emphasized enough what I was trying to point out: If one conceives of the worldlines of the path integral as "actual" worldlines, then there is problem with special relativity which to my knowledge has not been pointed out before: the spacetime events which correspond to the termination of the worldlines leading up to those regions where the probability amplitude to find a particle vanishes become frame-dependent. But according to special relativity only the order of (spacelike separated) events can depend on an observer frame, not whether they actually occur or not.
On the other hand, considering the worldlines of the path integral as actualizable worldlines avoids this problem altogether: Since they are not actual spacetime objects, their termination is not a spacetime event. The only spacetime events are the actual "measurements" of the particles, and the occurrence of these is definitely not frame-dependent.
Further and more detailed information on this framework, can be found at deep blue, the University of Michigan's repository:
http://deepblue.lib.umich.edu/handle/2027.42/13913/browse?type=author&order=ASC&rpp=20&value=Nikkhah+Shirazi%2C+Armin
Also, see
http://fqxi.org/community/forum/topic/2474 (Imagination and the Unreasonable Effectiveness of Mathematics: A Case Study in Quantum Mechanics)
I appreciate any constructive feedback.

Views: 2385
Armin Nikkhah Shirazi

Ruth Kastner, PhD, is a philosopher exploring the foundations of physics. She is on the faculty of the physics department at the State University of New York at Albany. She is also a research associate at the University of Maryland. She is author of The Transactional Interpretation of Quantum Mechanics: The Reality of Possibility and also Understanding Our Unseen World: Solving Quantum Riddles.
Here she points out that there are several interpretations of quantum mechanics that are very different from each other. She notes that there are many disagreements about the interpretation of the interpretations. She reviews the perspectives of great physicists such as Neils Bohr, Max Born, Ludwig Boltzmann, and David Bohm. She briefly describes the lesser known “transactional interpretation”. Then she focuses on the philosophical status of the crucial distinction between empirical and sub-empirical reality.
New Thinking Allowed host, Jeffrey Mishlove, PhD, is author of The Roots of Consciousness, Psi Development Systems, and The PK Man. Between 1986 and 2002 he hosted and co-produced the original Thinking Allowed public television series. He is the recipient of the only doctoral diploma in "parapsychology" ever awarded by an accredited university (University of California, Berkeley, 1980). He is a past vice-president of the Association for Humanistic Psychology; and is the recipient of the Pathfinder Award from that Association for his contributions to the field of human consciousness. He is also past-president of the non-profit Intuition Network, an organization dedicated to creating a world in which all people are encouraged to cultivate and apply their inner, intuitive abilities.
(Recorded on August 23, 2016)

Views: 15364
New Thinking Allowed with Jeffrey Mishlove

a music video by the copenhagan interpretation.

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ekpoll

You can do math all day, but if you're not interpreting your results, then you're not doing science. In this video, you'll find the three most widely accepted interpretations of quantum physics: Ensemble, Many-Worlds, and Copenhagen. It could turn out that none of them are correct, but it's the best we've got so far.
________________________________
VIDEO ANNOTATIONS
Understanding Quantum (Part 1): http://youtu.be/6ttVoTcpvHU
What is Dark Matter? http://youtu.be/vXJVi66qBg8
________________________________
COOL LINKS & SOURCES
SciShow on Schrodinger's Cat:
http://youtu.be/uWMTOrux0LM
Wikipedia:
http://en.wikipedia.org/wiki/Quantum_mechanics
http://en.wikipedia.org/wiki/Interpretations_of_quantum_mechanics
http://en.wikipedia.org/wiki/Ensemble_interpretation
http://en.wikipedia.org/wiki/Many-worlds_interpretation
http://en.wikipedia.org/wiki/Copenhagen_interpretation
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The Science Asylum

"WATCH What Is The Copenhagen Interpretation? LIST OF RELATED VIDEOS OF What Is The Copenhagen Interpretation?
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Views: 60
S AnswerZ

Although Einstein’s Mind was strongly intuitive and imaginative being a practical explorer he transformed all this for logical expectations and risks based on the “Schrödinger’s Cat’s” realistic exclusivity. Although Bohr’s and Heisenberg’s Minds were strongly logically thinkative being Mathematicians they chose for the intuitive uncertainty based on “Schrödinger’s Cat’s” probability of the disintegration of atoms.

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Leonardo Bastiani

Jason Yan & Alex Lu cover "Ignition" by R. Kelly
For Tobi and Daniela.
We do not claim ownership of the images presented in the video.

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Copenhagen Interpretation

Radioactive spitters are awful!
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Therdune

Idle Vast Expanses - "Copenhagen Interpretation"
https://soundcloud.com/idle-vast-expanses

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Isaias Valencia

Oresca
Parfan
Ambray
Arcaño
12 - B

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Kate Lyle Mendoza Parfan

SWTOR has added the ability to create characters with spaces in their names, so it’s time to have some fun!
Server: "Begeren Colony" (North America) Imperial guild: "Red October", Republic guild: "Blue October"
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Joe’s Super Fantabulous PC Gaming Channel

Either you're gonna shoot me or I'm gonna spray whipped cream in your eye and walk outta here like a big shot!

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Chris Thompson

Quantum mechanics is not inherently indeterministic, but not even the Copenhagen interpretation suggests that we have free will.
Philosophy of QM:
http://plato.stanford.edu/entries/qm/
Non-locality and action at a distance:
http://plato.stanford.edu/entries/qm-action-distance/#ActDis
Thomas Kuhn:
http://plato.stanford.edu/entries/thomas-kuhn/
Copenhagen interpretation:
http://plato.stanford.edu/entries/qm-copenhagen/
Instrumentalism:
http://plato.stanford.edu/entries/scientific-progress/#3
Bohmian Mechanics (my favorite interpretation of QM):
http://plato.stanford.edu/entries/qm-bohm/
(P.S. No matter what the mentioned-in-video author says, the universe itself is not a creative decision-maker!)

Views: 4896
Steve Phillips

#breakthroughjuniorchallenge

Views: 259
Sravan Gogulapati

#breakthroughjuniorchallenge

Views: 98
Safa Helal

To learn more about Heisenberg visit: http://muonray.blogspot.ie/2013/10/uncertainty-man-werner-heisenberg.html
Werner Heisenberg, winner of the 1932 Nobel Prize in Physics and the creator of the Heisenberg Uncertainty Principle in Quantum Mechanics gave an interview in the 1970's at the Max Planck Institute in Munich, Germany, describing how the nature of quantum mechanics goes beyond the limit of descriptive language and challenges our common sense notions of understanding.
While a student of Amold Sommerfeld at Munich in the early 1920s Werner Heisenberg (1901-75) first met the Danish physicist Niels Bohr. He and Bohr went for long hikes in the mountains and discussed the failure of existing theories to account for the new experimental results on the quantum structure of matter. Following these discussions Heisenberg plunged into several months of intensive theoretical research but met with continual frustration. Finally, suffering from a severe attack of hay fever, he retreated to the treeless island of Helgoland. After days spent relaxing and swimming Heisenberg suddenly experienced the giddy sensation of looking down into the heart of nature and conceived the basis of the quantum theory. He took this theory to Bohr at Copenhagen, and for the next few weeks they argued and probed its implications long into the night. The results of these discussions became known as the 'Copenhagen interpretation of quantum theory' and are accepted by most physicists. Aspects of the interpretation include Heisenberg's uncertainty principle and Bohr's principle of complementarity.
Heisenberg also developed the first models describing the role of electron spin in magnetization dynamics. The Heisenberg model for magnetism is an extension of the Ising model and is a statistical mechanical model used in the study of critical points and phase transitions of magnetic systems, in which the spins of the electrons in magnetic systems are treated quantum mechanically. This would be later extended into the Landau-Lifshitz model describing the quantum origin of magnetism in 3D.
Heisenberg also discusses his meetings with Einstein, weeks before he passed away, and how even then Einstein disliked the idea of quantum mechanics for its inherent uncertainty, although he accepted that quantum mechanics had been rigorously verified through hundreds of experiments.

Views: 19640
Muon Ray

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© 2018 Making funny faces with food

Under the late republic, the number of provinces rapidly increased, and therefore, Pompey the Great proposed a new law, the Lex Pompeia de provinciis , in which former praetors and consuls were obliged to become governor five years after their term in office (53). At more or less the same time, he had himself elected as governor of several provinces, which were not governed by himself, but by his representatives, the legati . The emperor Augustus copied this idea when he changed the empire, until then ruled as a republic, into a monarchy. He was made governor of almost all provinces with legions, and used legati to rule them. At the same time, the rest of the empire was governed by proconsuls. So, there were two types of governors: Proconsuls. In fact, these men were not former consuls, but former praetors. They governed the senatorial provinces and typically served twelve months. Only the rich provinces -Asia and Africa- were entitled to a proconsul who was indeed an ex-consul. Legati Augusti pro praetore. These men served in the emperors provinces with the armies (the imperial provinces ). Usually, their term in office lasted thirty-six months, although the emperor Tiberius preferred longer terms. There was a third group of governors. In several unimportant provinces, prefects were appointed. Usually, these military men governed parts of larger provinces. The best known example is Pontius Pilate, who governed Judaea, an annex to Syria. Prefects were not senators but knights. Egypt was also governed by a prefect, not because it was unimportant, but because it was the emperors own possession. When Septimius Severus conquered Mesopotamia, he used the same construction. After the mid-first century, the prefects were gradually replaced by procurators (except for Egypt). The only difference is that prefects were soldiers and procurators were fiscal officials. It tells something about the success of the Pax Romana .