su(2) and su(1,1) displaced number states and their nonclassical properties

被引:1
|
作者
Fu, HC [1 ]
Wang, XG
Li, C
Wang, JG
机构
[1] Open Univ, Quantum Proc Grp, Milton Keynes MK7 6AA, Bucks, England
[2] Aarhus Univ, Inst Phys & Astron, DK-8000 Aarhus, Denmark
[3] NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China
来源
MODERN PHYSICS LETTERS B | 2000年 / 14卷 / 30期
基金
中国国家自然科学基金;
关键词
D O I
10.1142/S0217984900001300
中图分类号
O59 [应用物理学];
学科分类号
摘要
We study su(2) and su(1,1) displaced number states. These states are eigenstates of density-dependent interaction systems of quantized radiation field with classical current. These states are intermediate states interpolating between number and displaced number states. Their photon number distribution, statistical and squeezing properties are studied in detail. It shows that these states exhibit strong nonclassical properties.
引用
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页码:1099 / 1108
页数:10
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