Giant spin relaxation of an ultracold cesium gas

被引：96

作者：

Soding, J ^{[1
]}

Guery-Odelin, D ^{[1
]}

Desbiolles, P ^{[1
]}

Ferrari, G ^{[1
]}

Dalibard, J ^{[1
]}

机构：

[1] Univ Paris 06, Lab Kastler Brossel, Ecole Normale Super, CNRS,Unite Rech, F-75231 Paris 05, France

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.80.1869

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured the rate of inelastic collisions in a cloud of doubly polarized ground-state cesium atoms (F = m(F) = 4) confined in a magnetic trap for temperatures T between 8 and 70 mu K. We find a two-body rate coefficient varying as T-0.63. At 8 mu K it reaches 4 X 10(-12) cm(3) s(-1) which is 3 orders of magnitude larger than predicted, ruling out a Bose-Einstein condensation of Cs in this internal state.

引用

页码：1869 / 1872

页数：4

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