2 votes

Could polaroid filters with somewhat strange properties violate Bell's inequality without non-locality?

You write: But let’s ignore that difficulty, and say, somewhat metaphorical, if you like, that polaroid filters can have a different probability distribution in and of them self, that it in principle ...
alanf's user avatar
  • 7,134
1 vote
Accepted

Interference pattern of relativistic particles

Do you mean in principle or in practice? In principle the answer is "yes, even fast electrons can in principle be brought into a state with a superposition of directions of motion which would ...
Andrew Steane's user avatar
1 vote

Does every field correspond to a particle?

Particles in QFT are an approximate description of a field in regimes where the interaction terms between the particles are weak enough: http://philsci-archive.pitt.edu/15296/1/qm-continuum%20revised....
alanf's user avatar
  • 7,134
1 vote
Accepted

Imaginary Contribution to Diagrams with one $\gamma^5$ Vertex

the matrix element squared must be a real number No, it doesn't, but the modulus of the matrix element squared, $|\mathcal{M}|^2 = \mathcal{M}^\dagger\mathcal{M}$, does :)
mdi's user avatar
  • 118

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