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http://arxiv.org/abs/quant-ph/0605031

**Irreversibility in Collapse-Free Quantum Dynamics and the Second Law of Thermodynamics**

M. B. Weissman

(Submitted on 2 May 2006)

Proposals to solve the problems of quantum measurement via non-linear CPT-violating modifications of quantum dynamics are argued to provide a possible fundamental explanation for the irreversibility of statistical mechanics as well. The argument is expressed in terms of collapse-free accounts. The reverse picture, in which statistical irreversibility generates quantum irreversibility, is argued to be less satisfactory because it leaves the Born probability rule unexplained.

Comments: 13 pages

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