Equation for quantum chaos found

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Offline Fraktalist

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« on: September 05, 2017, 12:24:15 AM »
https://futurism.com/new-equation-explains-quantum-chaos/

(Have not read it properly yet, little reminder for tomorrow)

Linkback: https://fractalforums.org/fractal-news/21/equation-for-quantum-chaos-found/199/

Offline lkmitch

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« Reply #1 on: September 05, 2017, 06:17:44 PM »
The actual equation is probably in the journal article, which is pay-walled here:

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.204101

Offline Softology

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Offline kram1032

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« Reply #3 on: September 06, 2017, 12:27:10 PM »
I really wish that paper wasn't paywalled because the linked article, as well as the one it in turn links, are not satisfactory at all. "An exact equation" could mean a lot of things.

EDIT: Oh, I see, what they did is to get an exact result for a previously perturbative one. Basically, the old formula was an approximation using certain assumptions which have now been dropped. - This does not mean, however, that quantum chaos now no longer "suffers" from a very strong sensitivity to initial conditions, as the two articles seem to imply.

Offline Softology

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« Reply #4 on: September 06, 2017, 11:17:53 PM »
I really wish that paper wasn't paywalled

If you use the link i provided it is not paywalled and accessible to anyone.

Offline kram1032

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« Reply #5 on: September 07, 2017, 10:06:15 AM »
No, if I use the link you provided it times out and doesn't finish loading at all, unfortunately.

Offline Fraktalist

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« Reply #6 on: September 07, 2017, 11:29:23 AM »
the link works fine from here.
I sent you a pm. ;)


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