Entanglement for the two-mode field in three-level atomic systems

被引：3

作者：

Zhang, Bo ^{[1
]}

Ge, Guo-Qin ^{[1
]}

Ping, Yun-Xia ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2007年 / 21卷 / 13期

关键词：

entanglement; three-level atomic system; two-mode field;

D O I：

10.1142/S0217984907013249

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate entanglement for the two-mode field in three-level atomic systems. Entanglement of the system is demonstrated according to the Duan's criterion.(16) It shows that the entanglement has a close relation with the pump intensity. For large pump intensity, particular choice of its phase, zero detuning and cooperativity parameter, perfect entanglement for the two-mode field can be generated outside the cavity.

引用

页码：781 / 788

页数：8

共 18 条

[1] QUANTUM-THEORY OF MULTIWAVE MIXING .10. 2-PHOTON 3-LEVEL MODEL [J].

AN, S ;

SARGENT, M .

PHYSICAL REVIEW A, 1989, 39 (04) :1841-1847

[2] THEORY OF A 2-MODE PHASE-SENSITIVE AMPLIFIER [J].

ANSARI, NA .

PHYSICAL REVIEW A, 1992, 46 (03) :1560-1564

[3] EXPERIMENTAL TEST OF BELL INEQUALITIES USING TIME-VARYING ANALYZERS [J].

ASPECT, A ;

DALIBARD, J ;

ROGER, G .

PHYSICAL REVIEW LETTERS, 1982, 49 (25) :1804-1807

[4] TELEPORTING AN UNKNOWN QUANTUM STATE VIA DUAL CLASSICAL AND EINSTEIN-PODOLSKY-ROSEN CHANNELS [J].

BENNETT, CH ;

BRASSARD, G ;

CREPEAU, C ;

JOZSA, R ;

PERES, A ;

WOOTTERS, WK .

PHYSICAL REVIEW LETTERS, 1993, 70 (13) :1895-1899

[5] Inseparability criterion for continuous variable systems [J].

Duan, LM ;

Giedke, G ;

Cirac, JI ;

Zoller, P .

PHYSICAL REVIEW LETTERS, 2000, 84 (12) :2722-2725

[6] QUANTUM CRYPTOGRAPHY BASED ON BELL THEOREM [J].

EKERT, AK .

PHYSICAL REVIEW LETTERS, 1991, 67 (06) :661-663

[7] Tripartite entangled state representation and its application in quantum teleportation [J].

Fan, HY ;

Jiang, NQ ;

Lu, HL .

MODERN PHYSICS LETTERS B, 2002, 16 (30) :1193-1200

[8] QUANTUM-THEORY OF MULTIWAVE MIXING .8. SQUEEZED STATES [J].

HOLM, DA ;

SARGENT, M .

PHYSICAL REVIEW A, 1987, 35 (05) :2150-2163

[9] Experimental demonstration of unconditional entanglement swapping for continuous variables [J].

Jia, XJ ;

Su, XL ;

Pan, Q ;

Gao, JR ;

Xie, CD ;

Peng, KC .

PHYSICAL REVIEW LETTERS, 2004, 93 (25)

[10] Continuous variable entanglement using cold atoms [J].

Josse, V ;

Dantan, A ;

Bramati, A ;

Pinard, M ;

Giacobino, E .

PHYSICAL REVIEW LETTERS, 2004, 92 (12) :123601-1

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