Beyond Mean-Field Effects in Attractive Bose-Einstein Condensate

被引:6
作者
Debnath, P. K. [3 ]
Chakrabarti, Barnali [2 ]
Das, Tapan Kumar [1 ]
机构
[1] Univ Calcutta, Dept Phys, Kolkata 700009, W Bengal, India
[2] Lady Brabourne Coll, Dept Phys, Kolkata 700017, W Bengal, India
[3] Santoshpur Sri Gouranga Vidyapith HS, Howrah 711312, India
关键词
Bose-Einstein condensation; Rb-85; two-body correlation; RB-85; ATOMS; GAS;
D O I
10.1002/qua.22559
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Various zero temperature ground state properties of the Rb-85 condensate with tunable interaction (JILA experiment) are studied by using correlated many body method incorporating appropriate approximation. Our observed results are clear evidence of beyond mean-field effects in attractive Bose-Einstein condensate. (C) 2010 Wiley Periodicals, Inc. Int J Quantum Chem 111: 1333-1338, 2011
引用
收藏
页码:1333 / 1338
页数:6
相关论文
共 20 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]   APPLICATION OF THE HYPERSPHERICAL FORMALISM TO THE TRINUCLEON BOUND-STATE PROBLEMS [J].
BALLOT, JL ;
FABREDELARIPELLE, M .
ANNALS OF PHYSICS, 1980, 127 (01) :62-125
[3]   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
[4]   Shape-independent approximation for Bose-Einstein condensates interacting through a van der Waals potential [J].
Chakrabarti, Barnali ;
Das, Tapan Kumar .
PHYSICAL REVIEW A, 2008, 78 (06)
[5]   Stable 85Rb Bose-Einstein condensates with widely tunable interactions [J].
Cornish, SL ;
Claussen, NR ;
Roberts, JL ;
Cornell, EA ;
Wieman, CE .
PHYSICAL REVIEW LETTERS, 2000, 85 (09) :1795-1798
[6]   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
[7]   Behavior of a Bose-Einstein condensate containing a large number of atoms interacting through a finite-range interatomic interaction [J].
Das, Tapan Kumar ;
Canuto, Sylvio ;
Kundu, Anasuya ;
Chakrabarti, Barnali .
PHYSICAL REVIEW A, 2007, 75 (04)
[8]   85Rb Bose-Einstein condensate with tunable interaction: A quantum many body approach [J].
Das, Tapan Kumar ;
Kundu, Anasuya ;
Canuto, Sylvio ;
Chakrabarti, Barnali .
PHYSICS LETTERS A, 2009, 373 (02) :258-261
[9]   Potential harmonics expansion method for trapped interacting bosons: Inclusion of two-body correlation [J].
Das, TK ;
Chakrabarti, B .
PHYSICAL REVIEW A, 2004, 70 (06) :063601-1
[10]   UNCOUPLED ADIABATIC APPROXIMATION FOR THE HYPERSPHERICAL HARMONIC APPROACH [J].
DAS, TK ;
COELHO, HT ;
DELARIPELLE, MF .
PHYSICAL REVIEW C, 1982, 26 (05) :2281-2287