What is the sense of Ehrenfest time?

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Does that term have the real conventional meaning?

I'm only beginning to learn chaos theory, and I would like to avoid some questionable ideas. It seems that classical quantum physics textbooks do not use this therm. As far as I understand, it is used now in some self-published/original researches. I may be wrong.

What do specialists think about it? Thanks a lot.
 
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Also interested. Do you have any "main stream" references I could review?
 
edgepflow said:
Also interested. Do you have any "main stream" references I could review?
I saw this term here http://www.iqc.ca/publications/tutorials/chaos.pdf

It cites some arXiv thesis, and also this Springer's book http://books.google.com/books?id=Orv0BXoorFEC&q=ehrenfest#v=snippet&q=ehrenfest&f=false http://rghost.net/12934951 Book has Synergetics label, so it is quite hard to take it without a due care.
 
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