The Difference Between Interaction and Entanglement

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There is a difference between an interaction as such and an interaction that causes entanglement. Some interactions do not cause entanglement at all. Every system is in a superposition in some vague sense, he says. If I have a particle with a superposition of being in this position and also in some other position over there, that's what I mean by a system in asuperposition.

Welcome to the November 2022 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreons, whittle them down to a more manageable number — based primarily on whether I have anything interesting to say about them, not whether the questions themselves are good — and sometimes group them together if they are about a similar topic. Enjoy!

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