Effective-range description of a Bose gas under strong one- or two-dimensional confinement

被引：46
作者：
Naidon, Pascal
Tiesinga, Eite
Mitchell, William F.
Julienne, Paul S.
机构：
[1] Natl Inst Stand & Technol, Atom Phys Div, Gaithersburg, MD 20899 USA
[2] Natl Inst Stand & Technol, Dept Math & Computat Sci, Gaithersburg, MD 20899 USA
来源：
NEW JOURNAL OF PHYSICS | 2007年 / 9卷
关键词：
D O I：
10.1088/1367-2630/9/1/019
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We point out that theories describing s-wave collisions of bosonic atoms confined in one-dimensional (1D) or two-dimensional (2D) geometries can be extended to much tighter confinements than previously thought. This is achieved by replacing the scattering length by an energy-dependent scattering length which was already introduced for the calculation of energy levels under 3D confinement. This replacement accurately predicts the position of confinement-induced resonances in strongly confined geometries.
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页数：12
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