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arxiv: quant-ph/0311091 · v2 · pith:HCJXJYHRnew · submitted 2003-11-13 · 🪐 quant-ph

Kraus representation for density operator of arbitrary open qubit system

classification 🪐 quant-ph
keywords openkrausqubitsystemdensityoperatorrepresentationalways
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We show that the time evolution of density operator of open qubit system can always be described in terms of the Kraus representation. A general scheme on how to construct the Kraus operators for an open qubit system is proposed, which can be generalized to open higher dimensional quantum systems.

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