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Entanglement decoherence of two-particle entangled states in a noisy environment
Author(s) -
Shao-Hua Xiang,
Kehui Song
Publication year - 2006
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.55.529
Subject(s) - quantum decoherence , quantum entanglement , physics , quantum mechanics , w state , particle (ecology) , multipartite entanglement , statistical physics , squashed entanglement , quantum , oceanography , geology
Entanglement decoherence of two particles interacting with the same environment is investigated by means of concurrence and the input-output fidelity. It is found that the entangled states of two-particle system can be divided into two kinds, coherence-preserving states and fragile entangled states. The dynamics of entanglement decoherence for fragile entangled states is discussed by taking into account the ohmic dissipation under the low temperature approximation.

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