Tagged Questions
2
votes
2answers
49 views
Is it possible to determine the state or values of something without measuring it
To give context to this question, I am currently looking into non-locality / hidden variables / Bell's Theorem, EPR / etc.
I've noticed the assertion that the values / state of something when ...
0
votes
2answers
80 views
EPR vs. EPRBB? Why can't we perform the original EPR experiment?
The EPR gedanken experiment was invented by Einstein Podolsky and Rosen in 1935.
It involved positions and momenta. In 1957, Bohm revised this gedanken experiment into one involving spins, or ...
3
votes
3answers
248 views
How do we show that no hidden variable theories can replace QM?
I've always hit two big stumbling blocks in conceiving of the proof or disproof of hidden variable theories as being even valid idea, let alone an answerable question... I feel I must be ...
1
vote
1answer
59 views
Photon source for Bell test
Wiki tells us that In practice most actual experiments have used light, assumed to be emitted in the form of particle-like photons (produced by atomic cascade or spontaneous parametric down ...
3
votes
1answer
205 views
Tracking down the locality assumption in a CHSH inequality derivation
CHSH inequality requires both locality and realism. I will equate here realism with counterfactual definiteness.
Now counterfactual definiteness tells us that given two different measurements on the ...