Critical velocity in cylindrical Bose-Einstein condensates

被引：51

作者：

Fedichev, PO

Shlyapnikov, GV

机构：

[1] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria

[2] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands

[3] Russian Res Ctr, Kurchatov Inst, Moscow 123182, Russia

来源：

PHYSICAL REVIEW A | 2001年 / 63卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.63.045601

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a dramatic decrease of the critical velocity in elongated cylindrical Bose-Einstein condensates which originates from the nonuniform character of the radial density profile. We discuss this mechanism with respect to recent measurements at MIT.

引用

收藏

页码：1 / 3

页数：3

相关论文

共 17 条

[1] OBSERVATION OF BOSE-EINSTEIN CONDENSATION IN A DILUTE ATOMIC VAPOR [J].

ANDERSON, MH ;

ENSHER, JR ;

MATTHEWS, MR ;

WIEMAN, CE ;

CORNELL, EA .

SCIENCE, 1995, 269 (5221) :198-201

[2] Propagation of sound in a Bose-Einstein condensate [J].

Andrews, MR ;

Kurn, DM ;

Miesner, HJ ;

Durfee, DS ;

Townsend, CG ;

Inouye, S ;

Ketterle, W .

PHYSICAL REVIEW LETTERS, 1997, 79 (04) :553-556

[3]

Bogolyubov N. N., 1947, J. Phys. (USSR), V11, P23

[4] EVIDENCE OF BOSE-EINSTEIN CONDENSATION IN AN ATOMIC GAS WITH ATTRACTIVE INTERACTIONS [J].

BRADLEY, CC ;

SACKETT, CA ;

TOLLETT, JJ ;

HULET, RG .

PHYSICAL REVIEW LETTERS, 1995, 75 (09) :1687-1690

[5]

CRESCIMANNO M, CONDMAT0001163

[6] BOSE-EINSTEIN CONDENSATION IN A GAS OF SODIUM ATOMS [J].

DAVIS, KB ;

MEWES, MO ;

ANDREWS, MR ;

VANDRUTEN, NJ ;

DURFEE, DS ;

KURN, DM ;

KETTERLE, W .

PHYSICAL REVIEW LETTERS, 1995, 75 (22) :3969-3973

[7]

Donnelly R. J., 1991, QUANTIZED VORTICES H, V2

[8]

Feynman RP, 1982, STAT MECH SET LECT

[9] Quasi-one-dimensiona1 character of sound propagation in elongated Bose-Einstein condensed clouds [J].

Kavoulakis, GM ;

Pethick, CJ .

PHYSICAL REVIEW A, 1998, 58 (02) :1563-1566

[10]

KETTERLE W, 1984, P INT SCH PHYS E FER