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Questions tagged [quantum-interpretations]

This tag is for questions relating to what, if anything, the quantum mechanical formalism and experimental results say about the way the world works.

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2answers
176 views

Would Einstein have accepted the presumptions that lead to the Bell inequality?

To check the correlation between Hidden Variable Theory and Quantum Mechanics, Bell calculated the expectation value $$<\sigma_{e}(\vec a,\vec V) \sigma_{p}(\vec b,\vec V)> = \int d^n V \rho(\...
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3answers
163 views

Is the Schroedinger picture outside the contemporary maintstream?

By the Schroedinger picture, I mean the notion that atoms exist in a superposition of states, as opposed to the Copenhagen picture, which I understand to mean that in a system of atoms, all the atoms ...
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2answers
480 views

Randomness in Quantum Mechanics

Is the quantum world really random?How can one be sure that there are no variables that can actually predict the outcome like they do in Newtonian physics?
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1answer
91 views

What is the difference and/or similarity between multiple universes in inflation and in quantumphysics? [duplicate]

Some theories propose that there are more universes. In one of them it is said that there are parallel universes, due to inflations after the big bang that created them. But in the two-slit ...
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3answers
3k views

Has the double-slit experiment been performed with animals as the observers?

As the title says, has the double-slit experiment been performed with animals (not humans) as the observers? If yes, which animal was used and what was the result?
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1answer
880 views

Quantum superposition and fate [closed]

First of all, sorry for my knowledge of physics. Maybe my question is too obvious but I want to ask it. I am thinking about fate and if it exist or no. According to my assumption if I take any ...
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1answer
70 views

Realtivity and the measurement problem

If a quantum system is prepared and the eigenvalues are known but the experimenter gets in a spaceship and rockets off in a particular direction at relativistic speeds and then performs the ...
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2answers
66 views

Does our planet's inorganic period negate the concept of creation through observation?

How can our physical world (only) manifest itself to us through observation when we know that our planet experienced a long inorganic phase that predated organic evolution by millions of years? In ...
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2answers
260 views

In Pilot wave theory how far does the wave stretch?

The one thing I find difficult to understand is how far does the Pilot Wave extend. Does the Pilot Wave permeate through the entire universe?
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2answers
102 views

In quantum mechanics does the truth/accuracy of a measurement really matter?

Once John Wheeler said "the past has no meaning or existence unless it exist as a record in the present". So, in a experiment of delayed choice entanglement swapping, if we used a faulty detector to ...
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0answers
36 views

Quantum tunneling across worlds in the many-worlds interpretation (MWI)?

Is it possible to quantum tunnel across possible worlds? If so, is there a hyper-dimensional plane where this would be made possible? And if so, how would you conceptualize or describe it? ...
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1answer
48 views

What if we didn't know if particle is observed in double-slit experiment? [duplicate]

The famous double slit experiment shows how light behave like a wave when sensors near one slit are on and recording vs not recording. I didn't find a lot of details, but especially given the case ...
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1answer
108 views

Proving which Quantum Mechanics interpretation is correct [duplicate]

Let's assume that the existence of gravitons is theoretically proven or they are detected by LHC could one interpretaion be proven correct?
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1answer
111 views

Many worlds interpretation of quantamechanics vs eternal information

Whats the main difference between the theory of many worlds interpretation in quantum mechanics and the theory of eternal inflation or are they the same in regard of their vision to the multiverse ?
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1answer
149 views

Which experiment clearly shows us that Heisenberg Uncertainty Principle is ontological and not epistemological?

I have heard that the Heisenberg Uncertainty Principle(HUP) is not because of our limitations in measuring and the apparatus used but instead because of the very way things are I searched online in ...
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1answer
66 views

What is the reason for the reported opposite-of-QM handedness of photons in a Bell test with circularly polarized photons? [closed]

In https://file.scirp.org/pdf/OPJ_2016111414355792.pdf, a Bell test using circularly-polarized photons is reported. The data shows that coincidences happen in the reverse handedness predicted by ...
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2answers
103 views

Why does the effect of measuring an entangled particle is not apparent when examining only one particle? [closed]

As far as I understand, the Bell test experiments show that observations (measurements) of entangled particles have an effect on one another. This effect is apparent when examining the results of ...
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1answer
71 views

A simple explanation of the Born rule (v.2)? [duplicate]

Please post further comments or answers to A simple explanation of the Born rule? The probability that an initial quantum state $|\psi_i\rangle$ evolves to become the final quantum state $|\psi_f\...
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1answer
332 views

Does anyone have an opinion on the quantum theory of Diederik Aerts? [closed]

I'm new to this site and just saw that someone asked a question (over 5 years ago ago now) on why boundaried objects in the macro world (that we experience everyday as macro sized, but which must ...
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2answers
139 views

Theory of everything [closed]

I have a theoretical question regarding the disconnect between the quantum world and the standard physical world and the inability to combine the two. My question is simple. Is it possible that the ...
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1answer
205 views

Proving which QM interpretation is correct [closed]

Let's assume that the existence of gravitons is theoretically proven or they are detected by LHC could one interpretaion be proven correct?
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4answers
103 views

Isn't the uncertainty principle a circular argument? [closed]

The uncertainty principle says that uncertainty must be greater than or equal to some value. That's the same as saying if uncertainty exists, it exists. $$\Delta x\Delta p\geq\frac{\hbar}{2}$$ If ...
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5answers
766 views

Quantum Theory just lazy physics? [closed]

Is it true that physicists decided that because they couldn't predict with certainty the location of an electron at any given time, that they just created equations using probability instead, still ...