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Lets say I create a pair of entangled photons. I then shoot one of the photons through a semi-silvered(semi-reflecting) mirror. one(or both) of the photons are reflected, and (or) one (or both) of the photons penetrate/pass through the mirror. will either one of or both of the actions/interactions detangle the photons in question? (see image for details) enter image description here

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    $\begingroup$ If you can resolve the change in state (position, momentum) of the mirror, then yes, but this is highly impractical in most scenarios $\endgroup$
    – Quantum Mechanic
    Commented Sep 9, 2021 at 19:57
  • $\begingroup$ @QuantumMechanic so more likely the photons will remain entangled? $\endgroup$
    – RhinoPak
    Commented Sep 9, 2021 at 20:00
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    $\begingroup$ Yes. See some of the related questions, they're pretty intriguing. Also, eg physics.stackexchange.com/q/94416/291677 $\endgroup$
    – Quantum Mechanic
    Commented Sep 9, 2021 at 20:01

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