Entanglement decoherence of two-particle entangled states in a noisy environment | Zendy

Shao-Hua Xiang | Zendy; Kehui Song | Zendy

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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 -

acta physica sinica

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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