Dissipationless Flow and Superfluidity in Gaseous Bose-Einstein Condensates

被引：0
|
作者：
C. Raman
R. Onofrio
J. M. Vogels
J. R. Abo-Shaeer
W. Ketterle
机构：
[1] Massachusetts Institute of Technology,Department of Physics and Research Laboratory of Electronics
来源：
Journal of Low Temperature Physics | 2001年 / 122卷
关键词：
Sodium; Transition Temperature; Laser Beam; Magnetic Material; Heat Rate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study dissipation in a dilute Bose gas induced by the motion of a macroscopic object. A blue-detuned laser beam focused on the center of a trapped gas of sodium atoms was scanned both above and below the BEC transition temperature. The measurements allow for a comparison between the heating rates for the superfluid and normal gas.
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页码：99 / 116
页数：17
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