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Decoherence in Infinite Quantum Systems

IIIUL, B1-01
2013-03-12 14:15 .. 15:15
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Philippe Blanchard (Univ. Bielefeld, Germany)

We review and discuss a notion of decoherence formulated in the algebraic framework of quantum physics. Besides presenting some sufficient conditions for the appearance of decoherence in the case of Markovian time evolutions we provide an overview over five possible decoherence scenarios. The framework of decoherence we establish is sufficiently general to accomodate quantum systems with infinitely many degrees of freedom.