Entanglement evolution of field-atom and atom-atom in Tavis-Cummings model | Zendy

Guo Liang | Zendy; Xian-Ting Liang | Zendy

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Entanglement evolution of field-atom and atom-atom in Tavis-Cummings model

Author(s) -

Guo Liang,

Xian-Ting Liang

Publication year - 2009

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.58.50

Subject(s) - quantum entanglement , physics , atom (system on chip) , field (mathematics) , quantum mechanics , time evolution , atomic physics , quantum , mathematics , computer science , pure mathematics , embedded system

In this paper we have investigated the entanglement evolutions between a two-level atom and a single-mode field as well as two two-level atoms in different W-like initial states in T-C model. It is shown that the evolutions of the formation entanglement between them are periodical, and the periods of the entanglement evolutions are different according to the difference of the initial states.The so-called sudden death of entanglement occures between two atoms as the initial states is some W-like initial state.

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