Dilations of dynamical semi-groups |
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Authors: | D. E. Evans J. T. Lewis |
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Affiliation: | (1) School of Theoretical Physics, Dublin Institute for Advanced Studies, Dublin 4, Ireland |
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Abstract: | We prove the existence of isometric and unitary dilations of a class of semi-groups of completely positive maps on an algebra of operators on a Hilbert space. The result has relevance to the problem of embedding an open quantum mechanical system in a closed one. |
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Keywords: | |
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