Collective oscillations of two colliding Bose-Einstein condensates

被引：134

作者：

Maddaloni, P

Modugno, M

Fort, C

Minardi, F

Inguscio, M

机构：

[1] Univ Florence, INFM, European Lab Non Linear Spect, I-50125 Florence, Italy

[2] Univ Florence, Dipartimento Fis, I-50125 Florence, Italy

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.85.2413

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Two Rb-87 condensates (F = 2, m(f) = 2, and m(f) = 1) are produced in highly displaced harmonic traps and the collective dynamical behavior is investigated. The mutual interaction between the two condensates is evidenced in the center-of-mass oscillations as a frequency shift of 6.4(3)%. Calculations based on a mean-field theory well describe the observed effects of periodical collisions both on the center-of-mass motion and on the shape oscillations.

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收藏

页码：2413 / 2417

页数：5

相关论文

共 29 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]

[Anonymous], COMMUNICATION

[3] Elastic scattering loss of atoms from colliding Bose-Einstein condensate wave packets [J].

Band, YB ;

Trippenbach, M ;

Burke, JP ;

Julienne, PS .

PHYSICAL REVIEW LETTERS, 2000, 84 (24) :5462-5465

[4] Measurement of the spatial coherence of a trapped Bose gas at the phase transition [J].

Bloch, I ;

Hänsch, TW ;

Esslinger, T .

NATURE, 2000, 403 (6766) :166-170

[5] Bose-Einstein condensation of lithium: Observation of limited condensate number [J].

Bradley, CC ;

Sackett, CA ;

Hulet, RG .

PHYSICAL REVIEW LETTERS, 1997, 78 (06) :985-989

[6]

Burke Julian, COMMUNICATION

[7]

CORNELL EA, CONDMAT9808105

[8] Theory of Bose-Einstein condensation in trapped gases [J].

Dalfovo, F ;

Giorgini, S ;

Pitaevskii, LP ;

Stringari, S .

REVIEWS OF MODERN PHYSICS, 1999, 71 (03) :463-512

[9] Frequency shift and mode coupling in the nonlinear dynamics of a Bose-condensed gas [J].

Dalfovo, F ;

Minniti, C ;

Pitaevskii, LP .

PHYSICAL REVIEW A, 1997, 56 (06) :4855-4863

[10] 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