Squeezing and entanglement in quasiparticle excitations of trapped Bose-Einstein condensates

被引：22
|
作者：
Rogel-Salazar, J [1 ]
New, GHC
Choi, S
Burnett, K
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2BW, England
[2] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
来源：
PHYSICAL REVIEW A | 2002年 / 65卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.65.023601
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We estimate the amount of temperature-dependent squeezing and entanglement in the collective excitations of trapped Bose-Einstein condensates. We also demonstrate an alternative method of temperature measurement for temperatures much less than the critical temperature ( Tmuch less than T-c).
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页数：6
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