Entangled Photons - Imaged for the 1st time.
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Kinky!
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This is the source paper for the science article...
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The question arises whether the entangled photons are a form of matter? ie m=E/c to the power n where n=0?
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if someone really understands the methodology and nitty gritty details of this type of setup, do PM me.
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Quite the range of sizes there. Are the larger ones a more excited state?
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I haven't read the article yet, I will soon, but we have to remember that circular artifacts are common in imaging systems.
For example a small Newtonian refractor imaging mars slightly out of focus would create an image very similar to this "entangled photons" image.
And doesn't the HUP exclude bombarding the 2 photons with other photons and capturing their position in that image so accurately?
Heading out to golf, so I have no time to read it right now.
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After a quick read of the original article it seems like it is not really an image of entangled photons, but instead some kind of proof of violation of Bell's Inequality, probabilistic not true single photons . As with all these things, the dumbed down article doesn't clearly describe what the original article does. But I must admit the article seemed so esoteric to me I lost interest and just skimmed it, besides not being qualified or smart enough to really understand it.
If anyone who is a real physicist can comment, please do.
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After a quick read of the original article it seems like it is not really an image of entangled photons, but instead some kind of proof of violation of Bell's Inequality, probabilistic not true single photons . As with all these things, the dumbed down article doesn't clearly describe what the original article does.
True, it is not an image of entangled photons as the secondary article depicts. Rather it is the image of a physical object they call a 'phase circle', the image being conveyed apparently by a combination of two photons : one photon which has encountered the phase circle directly, and another supposed entangled photon which has encountered another object, a phase filter in one of four orientations. It is the properties of the resultant image which has the authors conclude this is quantum entanglement, which violates Bell's inequalities, inequalities which must be met (supposedly) in a classical, non spooky system.
But as the article admits, they have to assume certain things, notably what I have highlighted below:
However, the use of a fixed image in the other arm means that it is the different spatial positions in the image that correspond to the different orientations of the phase step. For this second process to be random, we need to assume that the position of generation of the photon pairs is also random and, more subtly, that this position is not linked, by some unknown process, to the OAM state of the light. Although both of these assumptions are reasonable in relation to our source of entangled photons, it is noteworthy that any claim of genuine nonlocal behavior depends on these assumptions.
To me, if we consider the photon pair is a real physical object with extended physical dimension that interacts in time with the system that generated it, it doesn't seem reasonable to me that the position of the photons is not linked to their 'orbital angular momentum', as they assume. But what do I know.
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Sometime I take the image and drop it in the image area in google search to look up all the articles attached to the pic, sometimes there are 100s of them.
https://www.google.com/search?…egQIGRAy&biw=1517&bih=666 not that it helps much.
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