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26 April 2024
 
  » arxiv » quant-ph/0211054

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A Fixed Point Result for Environment-Induced Semigroups
A. M. Lisewski ;
Date 11 Nov 2002
Subject quant-ph
AbstractBased on the environment induced semigroup approach to the quantum measurement process, we show that a certain class of these semigroups, referred to as contractive uniformly $k$-Lipschitzian semigroups, exhibit a fixed point property. With regard to the quantum measurement problem, semigroups of this kind ensure decoherence and the selection of a single state from the familiy of pointer states. In fact, the common fixed point is the selected state.
Source arXiv, quant-ph/0211054
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