All Questions
Tagged with non-locality foundations
6
questions
4
votes
6
answers
2k
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What was the fallacy in EPRs chain of arguments?
Let's say, there is an entangled system of two electrons with opposite spins; The joint system is in a state of eigenvectors for z-Spin ( $S_z$) with both particles far away from each other:
$$|\Psi\...
- 1,299
2
votes
0
answers
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Are violations of realism the same thing as contextuality?
I am basically looking for a counter-example where we'd get contextuality but not violations of realism (and vice-versa). If no such counter-examples exist, then it seems to me that they're really one ...
- 1,325
1
vote
1
answer
96
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How does quantum contextuality relate to realism?
According to Spekkens contextuality can be defined as follows:
Suppose A, B and C are Hermitian operators such that A and B commute,
A and C commute, but B and C do not commute. Then the assumption ...
- 1,325
2
votes
2
answers
217
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How does relaxing counterfactual definiteness allows for CHSH inequality violation?
Scenario, I want to play a game with a group of students as a teacher, I ask two teachers to help.
The students are from the central classroom, going to room A and room B where the teachers there asks ...
- 125
2
votes
0
answers
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Local determinism vs. Local realism vs. Local causality
I found the following definitions for the three different terms. Do you find these definitions exhaustive, or can you suggest more precise formulations?
Quoting the wikipedia page on Local realism:
...
- 1,211
0
votes
2
answers
114
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EPR-Bohm paradox and Robertson uncertainty relation [closed]
Consider Bohm's version of the EPR paradox, where spin-1/2 are used.
The bipartite system is in the state
$$
\vert \Psi\rangle = \dfrac{1}{\sqrt{2}} \left( \vert \uparrow_x \rangle_A \vert \...
- 1,211