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Quantum Theory

Quantum physics and related topics.

  1. Started by AbstractDreamer,

    Why can a photon not be described as a particle that is attached to a wave, and that these waves ripple through spacetime at the speed of light, independently of any particles Why does the wave need to be a property of the photon?

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  2. Started by AbstractDreamer,

    How does quantum mechanics explain or describe observations that space is expanding? If qm cannot describe such phenomenon, is there any other model that can? How does dark energy and dark matter fit into the qm approach. Which of following terms is most likely to exist assuming some unexplained behaviour is observed: Dark Time, Dark Mass, Dark Speed, Dark Spin, Dark Momentum, Dark Field, Dark Direction, Dark Gravity, Dark Observer. Where would unexplained behaviour most likely be observed?

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  3. In order to unify the gravitational and electromagnetic fields, Einstein, et al., applied various geometrical structures and theoretical schemes, for example, the gauge invariance geometry, the five-dimensional space-time, the projective theory, the affine field and the bivector fields, etc. The non-symmetric field is the logically simplest relativistic field theory which is at all possible. Hlavaty made the summary and development. Johnson expounded systematically his viewpoints. Gaffney and Moffat, Boal obtained some conclusions and solutions. The unified field theories of more than four-dimensions were summarized. Madore proposed a modification of the traditional formu…

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  4. Started by Itoero,

    I don't agree with Bell's theorem. Bell's theorem basically states that local hidden variables can't explain quantum effects,like the quantum correlation between entangled particles. The absence of hidden variables is the absence of a cause. 1.If an effect like quantum correlation is not caused by hidden variables then the absence of hidden variables causes quantum correlation which means it should be present between all sub-atomic particles. 2.When you measure one of an entangled pair, the correlation collapses. This is only possible when hidden variables are destroyed. If nothing causes an event then you can't create or destroy it. 3.Hidden variables …

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  5. Started by geordief,

    Is non-locality applicable over any distance? Right to the edge of the observable universe? Do the two related events have to be related in any way apart from originating from the same "parent event"? Does the "detector" have any input into the phenomenon ? Hope I am not derailing. Please let me know if I am.

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  6. Started by PatrickO,

    Schrodinger's Cat, according to The Complete Idiots Guide to Theories of The Universe, Is essentially an experiment which states that a cat that is in a box with a vial of poison, is both dead and alive, because we don't know whether or not it IS living unless we look into the box. In this scenario we wouldn't be looking into the box. It's used as an example for wave particle duality, and I personally think it's a bad example and shouldn't be referenced. Here's my reasoning: According to SC (abbreviated for ease) we do NOT know whether or not the cat is alive. But according to WPD (wave particle duality) we DO know that light is both a wave and a particle at…

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  7. I understand that particles' position in space is described by a probability function that seems to me to imply that there is no part of the universe where the particle might not in theory be observed. Are there in fact places and times where it is possible to say with 100% certainty that a particle will never be observed? If this is the case, is there a mathematical formula to describe that circumstance (in the quantum region)?

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  8. This is a video on Quantum Mechanics that aims to familiarize people with general interests in physics, with some of the main ideas in quantum mechanics. can I get feedbacks on it, I don't have any subscribers at all, and I'd like feedbacks to know how the video could be evaluated. So that's why I decided to share it here. I want to know whether the way I discussed the topic made sense and whether it was interesting or not, Because I made my own research about it and there hasn't been an instructor along the way, so I wasn't only wondering whether people will understand me properly, I was also wondering whether I myself understand it to a good extent.? Note; it'…

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  9. Hello, everyone! What do you guys think about these 2 topics of the universe being a giant hologram and the James Gates math equation found suggesting that we live in a simulation. Here are the links: The hologram article: https://www.rt.com/news/space-evidence-universe-hologram-195/ Youtube video of James Gates's math (simulation) equation: Basically, my questions are: Can you guys explain these 2 topics more and what do they really suggest? Are they strong enough evidence to prove that we live in a simulation? My other question is: With these 2 links/ topics, what are the other possibilities of these math equations and findings besides us being in a…

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  10. One thing that has always bugged me, other then the clearly dumb "us" centric way it tends to be portrayed. Is that everytime Ive heard the multiple universe hypothosis described, even on wikipedia. It seems to say that other universes pop out of nothing. If I make a right turn another universe is instantly made out of thin air where I made a left. Ignoring how absurd I find the idea that every flip of a coin spawns a universe. Where does the energy come from for any of these universes?

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  11. Started by VMarshall,

    Hello, iam new here and i am not a scientist nor a physicists. I learn physics and biology from movies and books. But computer it's my natural talent Alright, let's say the Singularity is happen 10-20 years from now what will happen "if" human really transcend 1. By Religion? By philosophy? Or by our scientific understanding of the universe? 2. What will happen to other lifeforms like animals and plants? Sounds they all will extinct? I do not believe in concepts / theories but if we look the past , men do a breakthrough time to time especially Technology Ikr, Sorry for my bad english

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  12. Started by Verity52,

    Hi, I am not up to date with recent Physics theories, having done my Physics degree in the 70s. This book is one I have been wanting too read for years but I am not not sure whether it is 'out of date' as far as the theoretical content. Please can you tell me if you think it is still relevant. Or advise any other books for me to get some sense of where theoretical Physics is now (string theory, the progress towards a unified force theory etc) I am retired & want user-friendly books, Thanks, Verity

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  13. Started by Buket,

    Energy photons and electrons make up imaginary 3d solid world according to quantum mechanics. Is this true?

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  14. Started by Buket,

    Are quantum fluctuations physical?

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  15. Started by Moreno,

    How Positive Hall coefficient in metals could be explained?

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  16. Atoms In Bose or Fermi statistics, , what does it mean ? And what state are the particles in ? Mike

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  17. Started by granpa,

    https://en.wikipedia.org/wiki/Aufbau_principle http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/perfill.html 2 dimensional (n + l) version: On the right-hand side is my 3 dimensional (n + l + ?) version:

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  18. Anyone dare to predict the results? This experiment is still being built. So I don't know the results, yet. I make no claims what the experimental results will be. Definition: EDP - exponentially decaying pulse. Goal of experiment 1 - one transmitter, *one* receiver: 1) To emit sub-photons. 2) To possibly know when the EDP (exponentially decaying pulse) is absorbed by the receiving antenna. 3) To absorb sub-photons from one receiving antenna. Goal of experiment 2 - one transmitter, *two* receivers: 1) To emit sub-photons. 2) To possibly know when the EDP (exponentially decaying pulse) is absorbed by both receiving antennas. 3) To have two separated receiving antenn…

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  19. Started by Buket,

    Is the connection between quantum physics and conciousness quantum woo?

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  20. Started by Buket,

    Schrödinger is influences by eastern religions. Is there a connection between quantum physics and eastern religions?

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  21. Started by Blitz,

    i'll say why not, but have anything to support that.

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  22. Started by Nikolai,

    I have idea. Electron moving creates a wave that accompanies the particle all the way, but by observing the electron wave is extinguished and only a particle reaches the screen. Perhaps in some experiments, the scientists recorded particles and in others only their wave? Hence, the wave-particle duality.

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  23. Started by James Dixon,

    I read some time back of two physicists observing an atom which they said kept disappearing and then would suddenly return to the exact place before it left, I can't remember the exact technical details nor did I really understand them but they agreed the atom was disappearing into a another dimension, if that is true and considering we are made of atoms does that mean we too will eventually go to another dimension, I've read that the after life is possibly just another dimension where all living things go after they leave their physical earthly bodies , after all, we all live in a three dimensional world so there must be other dimensions where nothing is physical but sp…

  24. Started by Snailrider,

    Hi Experts, I'm trying to understand the Higgs boson and Higgs Field which, allegedly, is responsible for giving mass to matter. And if the field is all around the universe, why then the same matter weighs different in different gravitational environment (same thing is lighter on Moon etc). You can say, must be because the gravity, but then my question how the Higgs field and gravity (which is based on the mass of object) related?

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  25. Started by Buket,

    Are objects real according to quantum mechanics?

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