Measurements of collective collapse in a Bose-Einstein condensate with attractive interactions

被引:157
作者
Sackett, CA [1 ]
Gerton, JM
Welling, M
Hulet, RG
机构
[1] Rice Univ, Dept Phys, Houston, TX 77251 USA
[2] Rice Univ, Rice Quantum Inst, Houston, TX 77251 USA
关键词
D O I
10.1103/PhysRevLett.82.876
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The occupation number of a magnetically trapped Bose-Einstein condensate is limited for atoms with attractive interactions. It has been predicted that, as this limit is approached, the condensate will collapse by a collective process. The measured spread in condensate number for samples of Li-7 atoms undergoing thermal equilibration is consistent with the occurrence of such collapses.
引用
收藏
页码:876 / 879
页数:4
相关论文
共 15 条
[1]   Triplet s-wave resonance in Li-6 collisions and scattering lengths of Li-6 and Li-7 [J].
Abraham, ERI ;
McAlexander, WI ;
Gerton, JM ;
Hulet, RG ;
Cote, R ;
Dalgarno, A .
PHYSICAL REVIEW A, 1997, 55 (05) :R3299-R3302
[2]  
BOGOLUBOV N, 1947, J PHYS, V11, P3
[3]   Analysis of in situ images of Bose-Einstein condensates of lithium [J].
Bradley, CC ;
Sackett, CA ;
Hulet, RG .
PHYSICAL REVIEW A, 1997, 55 (05) :3951-3953
[4]   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
[5]   Role of attractive interactions on Bose-Einstein condensation [J].
Dodd, RJ ;
Edwards, M ;
Williams, CJ ;
Clark, CW ;
Holland, MJ ;
Ruprecht, PA ;
Burnett, K .
PHYSICAL REVIEW A, 1996, 54 (01) :661-664
[6]   Collapse and Bose-Einstein condensation in a trapped Bose gas with negative scattering length [J].
Kagan, Y ;
Muryshev, AE ;
Shlyapnikov, GV .
PHYSICAL REVIEW LETTERS, 1998, 81 (05) :933-937
[7]   Bose-Einstein condensation in trapped atomic gases [J].
Kagan, Y ;
Shlyapnikov, GV ;
Walraven, JTM .
PHYSICAL REVIEW LETTERS, 1996, 76 (15) :2670-2673
[8]   TIME-DEPENDENT SOLUTION OF THE NONLINEAR SCHRODINGER-EQUATION FOR BOSE-CONDENSED TRAPPED NEUTRAL ATOMS [J].
RUPRECHT, PA ;
HOLLAND, MJ ;
BURNETT, K ;
EDWARDS, M .
PHYSICAL REVIEW A, 1995, 51 (06) :4704-4711
[9]   Bose-Einstein condensation of lithium [J].
Sackett, CA ;
Bradley, CC ;
Welling, M ;
Hulet, RG .
APPLIED PHYSICS B-LASERS AND OPTICS, 1997, 65 (4-5) :433-440
[10]   Growth and collapse of a Bose-Einstein condensate with attractive interactions [J].
Sackett, CA ;
Stoof, HTC ;
Hulet, RG .
PHYSICAL REVIEW LETTERS, 1998, 80 (10) :2031-2034