Measures and dynamics of entangled states

Details Measures and dynamics of entangled states Measures and dynamics of entangled states

2005-05-22

arxiv.org/abs/quant-ph/0505162v1

Physics

Quantum Physics

Physics Reports, in press

Scientific paper

10.1016/j.physrep.2005.04.006

We develop an original approach for the quantitative characterisation of the entanglement properties of, possibly mixed, bi- and multipartite quantum states of arbitrary finite dimension. Particular emphasis is given to the derivation of reliable estimates which allow for an efficient evaluation of a specific entanglement measure, concurrence, for further implementation in the monitoring of the time evolution of multipartite entanglement under incoherent environment coupling. The flexibility of the technical machinery established here is illustrated by its implementation for different, realistic experimental scenarios.

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