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

2 votes
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How can theory violate counterfactual definiteness and not violate local realism?

In the context of quantum mechanics, the violation of counterfactual definiteness (CFD) means that the laws of standard logic, or standard probability calculus, will be violated if you consider other …
Quentin Ruyant's user avatar
5 votes

Is the delayed choice quantum eraser a refutation of principle of causality? How does contem...

Delayed choices undermines past to future causality only if one assumes that the initial state of a system must directly determine measurement results, and that wave functions represent our ignorance …
Quentin Ruyant's user avatar
2 votes

Many-worlds Interpretation defeats the Doomsday argument?

That's an interesting argument, but it seems that you're merely resisting the idea of calculating p(N|n) on the ground that p(n|N) would not make sense if there are many futures. However you should be …
Quentin Ruyant's user avatar
5 votes

How can we take the ontologies of our best physical theories seriously?

For a rather technical book in philosophy of quantum mechanics and QFT you can read Laura Ruetsche "interpreting quantum theories". You will also find numerous articles there (I link to subject page …
Quentin Ruyant's user avatar