Decoherence, chaos, the quantum and the classical
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The key ideas of the environment-induced decoherence approach are reviewed. Application of decoherence to the transition from quantum to classical in open quantum systems with chaotic classical analogs is described. The arrow of time is, in this context, a result of the information loss to the correlations with the environment. The asymptotic rate of entropy production (which is reached quickly, on the dynamical time scale) isindependent of the details of the coupling of the quantum system to the environment, and is set by the Lyapunov exponents. We also briefly outline theexistential interpretation of quantum mechanics, justifying the slogan «No information without representation».
PACS03.65.Bz Foundations theory of measurement miscellaneous theories
PACS05.40 Fluctuation phenomena random processes and Brownian motion
PACS05.45 Theory and models of chaotic systems
PACS01.30.Cc Conference proceedings
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