Talk:Quantum chaos

message: I'm a high schooler, and wiki has many pages on advanced topics which have very lucid introductions and explanations; this doesn't. Can someone do a bit of language reworking of this page?
K.Anshuman (talk) 13:30, 2 December 2016 (UTC)
thread_title: Utterly incomprehensible

message: I see lots on mechanics, in non-quantum chaos, and on this, on that, but where is the chaos?
==I agree. Lots of classical chaos - not a lot of quantum chaos.  For instance, the most important thing to understand about quantum chaos is that it is not truly chaotic.  Quantum mechanics is a linear theory and thus true chaos is impossible in it.  If one examines the quantum equivalent of any simple classical chaotic system one finds that its behaviour stops being chaotic after a certain length of time - known as the break time. This article actually needs to say what quantum chaos is. --J S Lundeen 14:50, 2 April 2006 (UTC)
thread_title: hmmm... does this article have anything about quantum chaos in it?

message: My PhD thesis work at M.I.T. was in the field of quantum chaos, and I've kept up with the developments since then, though it has been over a decade since I've published in the field.  If there aren't any major objections, I hope to revise the quantum chaos article, as time permits.  I hope to present a balanced view; however, two factors might produce a result that seems a bit like a conflict of interest: 1) My strongest knowledge base is in the areas of quantum chaos most closely related to my own research.  2) Most of the figures I can use are those I created (copyright issues).  I have added a list of my peer-reviewed publications in this field:
Core-induced chaos in diamagnetic lithium, M Courtney, D Kleppner, Phys Rev A 53, 178 (1996).
Initial conditions of closed classical orbits from quantum spectra, M Courtney, Chaos 6, 1 (1996).
Scaled-energy spectra and closed classical orbits of the hydrogen atom in parallel electric and magnetic fields, M Courtney, Phys Rev A 51, 4558 (1995).
Classical, semiclassical, and quantum dynamics of lithium in an electric field, M Courtney, N Spellmeyer, H Jiao, D Kleppner, Phys Rev A 51, 3604 (1995).
Recurrences associated with a classical orbit in the node of a quantum wave function, JA Shaw, JB Delos, M Courtney, D Kleppner, Phys Rev A 52, 3695 (1995).
New Class of Universal Correlations in the Spectra of Hydrogen in a Magnetic Field, BD Simons, A Hashimoto, M Courtney, D Kleppner, BL Altshuler, Phys Rev Let 71, 2899 (1993).
Closed Orbit Bifurcations in Continuum Stark Spectra, M Courtney, H Jiao, N Spellmeyer, D Kleppner, J Gao, JB Delos, Phys Rev Let 27, 1538 (1995).
Quantum Chaos and Rydberg Atoms in Strong Fields, M Courtney, H Jiao, N Spellmeyer, D Kleppner, in the proceedings of the 4th Drexel Symposium on Quantum Nonintegrability (1995).
Long-period Orbits in the Stark Spectrum of Lithium, M Courtney, H Jiao, N Spellmeyer,  D Kleppner, Phys Rev Let 73, 1340 (1994).
Please let me know what you think.Michael Courtney (talk) 13:10, 26 October 2008 (UTC)
thread_title:  Does anyone object if I produce a major revision? 

message: Quantum chaos is not a topic. It is a collection of topics that are related to quantized chaotic systems. Accordingly it should be a "gate" to other wiki pages such as [Spectral statistics] 
and [Periodic orbit theory] and [Quantum eigenstates] and [scars] and [Driven chaotic systems] 
and [dynamical localization] etc. To put all the emphasis on one topic will take the presentation out of balance.  —Preceding unsigned comment added by Doroncohen (talk • contribs) 12:13, 4 July 2010 (UTC)
thread_title:  Suggested strategy 

message: In this article and in the literature, we always hear about a Poisson distribution (here P(s)=e^-s). But this is just an exponential distribution isn't it? One just has to follow the link on Wikipedia to see it...
I have always been wondering about that. Why do they use this wrong term in the literature?  — Preceding unsigned comment added by 155.69.200.255 (talk) 08:42, 26 April 2012 (UTC)
replies: text: P(s) = \frac{\pi}{2}se^{-\pi s^2/4},
is called a Rayleigh distribution (with parameter \sigma = \sqrt{2/\pi}) or Weibull distribution (with parameters k=2, \lambda=2/\sqrt\pi) according to Wikipedia, not Wigner distribution. Jaan Vajakas (talk) 17:36, 15 June 2013 (UTC)
thread_title:  A Poisson distribution? 

message: Is the marketing/journalistic use of "exponential", menaing "big"?  — Preceding unsigned comment added by 91.182.102.203 (talk) 21:36, 9 April 2016 (UTC)
thread_title:  exponential sensitivity? 

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thread_title:  External links modified 

message: A substantial part of quantum chaos article is about this formula, we could shorten the article by moving the information about Gutzwiller trace formula into a more specific article. MaoGo (talk) 10:58, 9 October 2017 (UTC)
thread_title:  Should we make a Gutzwiller trace formula article