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Decoherence and multipartite entanglement
André R. R. Carvalho, Florian Mintert, Andreas Buchleitner
arXiv: quant-ph/0410208v1 - DOI (quant-ph)
4 pages, 2 figures, accepted for publication in Phys. Rev. Lett
License: not stated (all rights reserved)
Abstract: We study the dynamics of multipartite entanglement under the influence of decoherence. A suitable generalization of concurrence reveals distinct scaling of the entanglement decay rate of GHZ and W states, for various environments.
Submitted to arXiv on 26 Oct. 2004