Timeline for How do we know that entanglement allows measurement to instantly change the other particle's state? [duplicate]
Current License: CC BY-SA 4.0
16 events
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| Jun 17, 2020 at 6:57 | comment | added | user36125 | Even if this question has been asked one and half years ago, I don't think it has been answered in satisfaction. In my personal humble opinion, this is because no one nowadays can provide any new information rather than saying, Bell's inequality violated by the quantum experiments implied "the instant change" between entangled particles. This is believed because the Bell's inequality provided the best "intuitive" reality of so-called "local" formalism. Why should the Bell-type intuition be the truth of physical reality? I don't believe people have thought much about this question at all. | |
| Dec 15, 2018 at 16:16 | history | closed |
Norbert Schuch Jon Custer user191954 DK2AX rob♦ |
Duplicate of How do we know a quantum state isn't just an unknown classical state? | |
| Dec 14, 2018 at 13:09 | history | edited | knzhou | CC BY-SA 4.0 |
edited title
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| Dec 14, 2018 at 10:47 | comment | added | kasperd | I find this video to have the easiest to understand explanation of why hidden variables cannot explain quantum effects. | |
| Dec 14, 2018 at 8:57 | answer | added | Dmitry Grigoryev | timeline score: 3 | |
| Dec 14, 2018 at 5:32 | comment | added | Harry Johnston | I think you need to really understand non-commuting observables in order to understand both why entanglement seems weird and why it isn't really. | |
| Dec 13, 2018 at 21:51 | answer | added | borg678873567 | timeline score: 2 | |
| Dec 13, 2018 at 16:19 | answer | added | Acccumulation | timeline score: 1 | |
| Dec 13, 2018 at 13:37 | answer | added | Zizy Archer | timeline score: 5 | |
| Dec 13, 2018 at 12:11 | comment | added | OrangeDog | What you describe cannot happen - a change of the entangled particle cannot be observed. If you knew it was already spin up then you already measured it, so you already collapsed the state of the first one to spin down, which is what you will then measure. | |
| Dec 13, 2018 at 8:30 | review | Close votes | |||
| Dec 14, 2018 at 13:25 | |||||
| Dec 13, 2018 at 4:24 | history | edited | Qmechanic♦ | CC BY-SA 4.0 |
edited tags; edited tags; edited tags
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| Dec 13, 2018 at 4:10 | answer | added | HolgerFiedler | timeline score: 1 | |
| Dec 13, 2018 at 2:45 | answer | added | Chiral Anomaly | timeline score: 54 | |
| Dec 13, 2018 at 2:40 | review | First posts | |||
| Dec 13, 2018 at 3:04 | |||||
| Dec 13, 2018 at 2:36 | history | asked | Qandry | CC BY-SA 4.0 |