I've been reading about quantum entanglement and I'm curious about its implications for transmitting information. In theory, entangled particles exhibit correlations instantly over any distance, but does this allow any form of faster‑than‑light communication, or is it strictly limited by the no‑signalling theorem? How do current interpretations reconcile this with special relativity, and what experimental evidence supports the prevailing view? Would love to hear different perspectives.
How does quantum entanglement affect information transfer and does it violate relativity?
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Wie genau wird im No‑Signalling‑Theorem formuliert, dass die Messungen an einem Teilchen keinerlei nutzbare Information zum anderen übertragen können? Und gibt es experimentelle Setups, bei denen man die zeitliche Reihenfolge der Messungen gezielt variiert, um das zu prüfen?
Thanks for the clear rundown—entanglement gives instant correlations, but because the outcomes are random you can’t control them, so the no‑signalling theorem prevents any faster‑than‑light messaging and keeps relativity safe. Curious, have you seen any recent experiments trying to push the limits of entanglement‑based communication protocols?