This will blow your mind - Delayed Choice Quantum Eraser
Uploader Comments (architectus777)
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All Comments (221)
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In addition, as you can see in the article, there is "a π phase shift between the two interference fringes". This phase shift also adds to the fact the there could be no interference between all signal photons arriving at D0.
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I'm sorry, but this is a MISTAKE.
There is definitely no interference pattern in D0 alone!
Such a pattern could never appear in D0 alone, because the interference pattern of the DCQE experiment is a two-photon interference pattern (biphoton interference pattern). This sort of interference pattern can never be seen in one detector alone, but only via coincidence counting in conjunction with another detector (1 / 2 / 3 / 4).
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They should actually set up a counter to "self destruct" so to speak.
To see if that actually affects the experiment.
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The detectors can detect both interference patterns and cluster patterns, right?
@architectus777
Do I understand correctly that while the signal photons (at detector 0) always produce an interference pattern, the entangled idler photons that reach detectors 1 and 2 produce clump patterns? That would mean that photons can produce different patterns, even if they are entangled, and are not constrained to act the same, as they are with polarity. Is that correct?
messenger291 4 months ago
@messenger291 Based on the article it seemed to be that way, but after a few e-mails with physicists, it might be incorrect. Further study is required at this time.
architectus777 4 months ago
@architectus777 That's the same thing I was confused about. Thought I understood perfectly until you said D0 is always an interference pattern. Isn't D0 consistent with it's entangled twin, showing a clump pattern when the twin hits D3 or D4 and an interference pattern when the twin hits D1 or D2? That way I think I understand why it's mind blowing - because the twin at D0 acts consistently with it's split twin even though the split twin's fate hasn't yet been decided.
roell29 1 month ago
@roell29 As far as I understand, if you were to measure it at D0, then it would always be an interference pattern, but after it reaches the coincidence counter with its parter, then it agrees with its partner.
architectus777 1 month ago
@architectus777 Not sure I understand but may I ask whether you've seen the movie The 13th Floor? It's basically a cinematic representation of Nick Bostrum's theory that we are (or may be) an ancestor simulation. And furthermore that our creators are also simulations running on a computer (since if we are likely to be sims, then it is only slightly less likely that our creators are also sims). Do you think that scenario is what these experiments point to? And if not, why? Thanks.
roell29 1 month ago
@roell29 Yeah, I have seen it. Good movie, great actor. I do think the different bizarreness in physics teaches us that we are in a virtual world, but not necessarily a sim. I personally believe more like John Wheeler did. The smallest things in the universe that all is made of is just information, not substance. There exist self existent properties of which all other properties emerge, thus giving rise to the illusion of solidity, when forces come about.
architectus777 1 month ago