Laser cooling down to molecular condensate

被引:5
|
作者
Dziarmaga, J
Lewenstein, M
机构
[1] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland
[2] Jagiellonian Univ, Ctr Complex Syst, PL-30059 Krakow, Poland
[3] Inst Ciencies Foton, ICFO, E-08034 Barcelona, Spain
[4] Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany
来源
PHYSICAL REVIEW A | 2005年 / 72卷 / 03期
关键词
D O I
10.1103/PhysRevA.72.033606
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
On the repulsive side of the Feshbach resonance fermionic atoms can bind into diatomic molecules which at low enough temperature condense into molecular Bose-Einstein condensate. Sufficiently close to the resonance the molecules are bound so weakly that a significant fraction of unbound fermionic atoms survives even below the temperature of condensation. In this paper we show that laser cooling of the unbound fermionic atoms can reduce temperature of mixture of atoms and molecules below the condensation temperature. Numerical simulations for reasonable experimental parameters show that it is possible to achieve molecular condensate after a few seconds of laser cooling.
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页数:7
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