Creating Nonclassical States of Bose-Einstein Condensates by Dephasing Collisions

被引：34
|
作者：
Bar-Gill, Nir [1 ,2 ]
Rao, D. D. Bhaktavatsala [1 ]
Kurizki, Gershon [1 ]
机构：
[1] Weizmann Inst Sci, IL-76100 Rehovot, Israel
[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
来源：
PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 01期
关键词：
QUANTUM; GASES;
D O I：
10.1103/PhysRevLett.107.010404
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show, using an exactly solvable model, that nonlinear dynamics is induced in a double-well Bose-Einstein condensate (BEC) by collisions with a thermal reservoir. This dynamics can facilitate the creation of phase or number squeezing and, at longer times, the creation of macroscopic nonclassical superposition states. Enhancement of these effects is possible by loading the reservoir atoms into an optical lattice.
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页数：4
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