The two-body problem of ultra-cold atoms in a harmonic trap

被引：26
|
作者：
Shea, Patrick [1 ]
van Zyl, Brandon P. [2 ]
Bhaduri, Rajat K. [3 ]
机构：
[1] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 3J5, Canada
[2] St Francis Xavier Univ, Dept Phys, Antigonish, NS B2G 2W5, Canada
[3] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
来源：
AMERICAN JOURNAL OF PHYSICS | 2009年 / 77卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
boson systems; harmonic oscillators; physics education; radiation pressure; SCATTERING;
D O I：
10.1119/1.3013812
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
We consider two bosonic atoms interacting with a short-range potential and trapped in a spherically symmetric harmonic oscillator. The problem is exactly solvable and is relevant for the study of ultra-cold atoms. We show that the energy spectrum is universal, irrespective of the shape of the interaction potential, provided its range is much smaller than the oscillator length.
引用
收藏
页码：511 / 515
页数：5
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