Atomic squeezed states in a driven Dicke model

被引:1
|
作者
Hassan, S. S. [2 ]
Nayak, N. [1 ]
Deb, R. N. [3 ]
机构
[1] Birla Inst Technol, Dept Appl Phys, Ranchi 835215, Bihar, India
[2] Univ Bahrain, Coll Sci, Dept Math, Isa Town, Bahrain
[3] Krishnanagar Govt Coll, Krishnanagar, India
关键词
Dicke model; Spin system; Driving field; Spin squeezing; ENTANGLEMENT; GENERATION; SYSTEM; NOISE;
D O I
10.1016/j.physleta.2009.08.001
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We consider the dissipative N two-level atom Dicke system driven by a c.w. laser field. In the steady state, the cooperativity among the atoms via the radiation field produces spin squeezing. Even in the absence of dipole-dipole interaction, the system shows spin squeezing which is attributed to strong nonlinear interaction with the driving field. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:3697 / 3700
页数:4
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