BOSE-EINSTEIN CONDENSATION IN A GAS OF SODIUM ATOMS

被引：4847

作者：

DAVIS, KB ^{[1
]}

MEWES, MO ^{[1
]}

ANDREWS, MR ^{[1
]}

VANDRUTEN, NJ ^{[1
]}

DURFEE, DS ^{[1
]}

KURN, DM ^{[1
]}

KETTERLE, W ^{[1
]}

机构：

[1] MIT, ELECTR RES LAB, CAMBRIDGE, MA 02139 USA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.75.3969

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have observed Bose-Einstein condensation of sodium atoms. The atoms were trapped in a novel trap that employed both magnetic and optical forces. Evaporative cooling increased the phase-space density by 6 orders of magnitude within seven seconds. Condensates contained up to 5 X 10(5) atoms at densities exceeding 10(14) cm(-3). The striking signature of Bose condensation was the sudden appearance of a bimodal velocity distribution below the critical temperature of similar to 2 mu K The distribution consisted of an isotropic thermal distribution and an elliptical core attributed to the expansion of a dense condensate.

引用

页码：3969 / 3973

页数：5

共 19 条

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