Direct observation of irrotational flow and evidence of superfluidity in a rotating Bose-Einstein condensate

被引：0

作者：

Hechenblaikner, G. ^{[1
]}

Hodby, E. ^{[1
]}

Hopkins, S.A. ^{[1
]}

Maragò, O.M. ^{[1
]}

Foot, C.J. ^{[1
]}

机构：

[1] Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

来源：

Physical Review Letters | 2002年 / 88卷 / 07期

关键词：

Anisotropy - Aspect ratio - Differential equations - Hydrodynamics - Superfluid helium;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The expansion of vortex-free, rotating Bose-Einstein condensates after their release from a rotating anisotropic trap was observed. Conservation of angular momentum and constraint of irrotational flow resulted in expansion of the condensate in a different way to the one released from a static trap. Results indicated an evidence of purely irrotational velocity field with a superfluid.

引用

页码：704061 / 704064

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