Phys. Rev. Lett. 98, 190501 (2007) [4 pages]

Optimal Dynamical Characterization of Entanglement

Abstract

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André R. R. Carvalho^1,2, Marc Busse¹, Olivier Brodier¹, Carlos Viviescas¹, and Andreas Buchleitner¹
¹Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, 01187 Dresden, Germany
²Department of Physics, Faculty of Science, Australian National University, ACT 0200, Australia

Received 2 April 2006; published 7 May 2007

We show that, for experimentally relevant systems, there is an optimal measurement strategy to monitor the time evolution of entanglement under open system dynamics. This suggests an efficient, dynamical characterization of the entanglement of composite, open quantum systems.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.98.190501

DOI:

10.1103/PhysRevLett.98.190501

PACS:

03.67.Mn, 03.65.Ud, 03.65.Yz, 42.50.Lc

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Phys. Rev. Lett. 98, 190501 (2007) [4 pages]

Optimal Dynamical Characterization of Entanglement