Hidden Variables Are Still Nonsense
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02-07-2014, 10:04 AM
Hidden Variables Are Still Nonsense
Ayup. Reality is (increasingly well-attested to be) quantum.

So we see once again, as I am wont to say, that naive physical intuition is the exact opposite of compelling substantiation.

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02-07-2014, 10:11 AM
RE: Hidden Variables Are Still Nonsense
(02-07-2014 10:04 AM)cjlr Wrote:  Ayup. Reality is (increasingly well-attested to be) quantum.

So we see once again, as I am wont to say, that naive physical intuition is the exact opposite of compelling substantiation.

Well yeah but that's just like your (well founded and backed by scientific consensus) opinion man. Cool

(31-07-2014 04:37 PM)Luminon Wrote:  America is full of guns, but they're useless, because nobody has the courage to shoot an IRS agent in self-defense
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02-07-2014, 10:16 AM
RE: Hidden Variables Are Still Nonsense
(02-07-2014 10:11 AM)Revenant77x Wrote:  
(02-07-2014 10:04 AM)cjlr Wrote:  Ayup. Reality is (increasingly well-attested to be) quantum.

So we see once again, as I am wont to say, that naive physical intuition is the exact opposite of compelling substantiation.

Well yeah but that's just like your (well founded and backed by scientific consensus) opinion man. Cool

Quiet, you. Just 'cause I let you in on the Big Evil Conspiracy™ that is modern science doesn't mean you can blab about it.

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02-07-2014, 10:28 AM
RE: Hidden Variables Are Still Nonsense
Quote:The theorem, however, considers only models in which the physical variables corresponding to independently prepared systems are independent, and this has been used to challenge the conclusions of that work. Here we consider models that are defined for a single quantum system of dimension d, such that the independence condition does not arise, and derive an upper bound on the extent to which the probability distributions can overlap. In particular, models in which the quantum overlap between pure states is equal to the classical overlap between the corresponding probability distributions cannot reproduce the quantum predictions in any dimension d≥3.




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02-07-2014, 04:13 PM
RE: Hidden Variables Are Still Nonsense
[Image: randomness1.png]

#sigh
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02-07-2014, 08:52 PM
RE: Hidden Variables Are Still Nonsense
My brain is hurting.

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07-07-2014, 10:02 PM
RE: Hidden Variables Are Still Nonsense
I got lost here:

Quote:According to a recent no-go theorem [M. Pusey, J. Barrett and T. Rudolph, Nat. Phys. 8, 475 (2012)], models in which quantum states correspond to probability distributions over the values of some underlying physical variables must have the following feature: the distributions corresponding to distinct quantum states do not overlap.

I am not familiar with the no-go theorem, so that isn't a good start. I understand that particles appear to exist in many places and no place, and that the way we track their motion is with probability (Richard Feynman and all that right). I am not exactly sure what a "quantum state" is. Feels rather nonspecific. I don't know what "underlying physical variables" are either, which feels even more nondescript. Also, I don't understand the significance of the quantum states "do no overlap". Anybody care to spell this out for me? This abstract appears to have been written for other quantum physicists rather than lay people.
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07-07-2014, 10:20 PM
RE: Hidden Variables Are Still Nonsense
(02-07-2014 10:04 AM)cjlr Wrote:  Ayup. Reality is (increasingly well-attested to be) quantum.

So we see once again, as I am wont to say, that naive physical intuition is the exact opposite of compelling substantiation.

Yes... Well...

.... Damnit! I'm trying to make a joke about not observing facts making them technically not facts 'cause their state'd be both fact and non-fact, but I don't know remotely enough about quantum mechanics to make it work or even be sure that the joke is even applicable any more!!! ARGH!

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04-09-2014, 02:08 PM
RE: Hidden Variables Are Still Nonsense
Exciting update:
Reality still quantum. News at 11.

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