Elastic Scattering Properties of Ultracold Strontium Atoms

被引：8
|
作者：
Zhang Ji-Cai [1 ]
Zhu Zun-Lue [1 ]
Liu Yu-Fang [1 ]
Sun Jin-Feng [1 ,2 ]
机构：
[1] Henan Normal Univ, Coll Phys & Informat Engn, Xinxiang 453007, Peoples R China
[2] Luoyang Normal Coll, Dept Phys, Luoyang 471022, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2011年 / 28卷 / 12期
基金：
中国国家自然科学基金;
关键词：
BOSE-EINSTEIN CONDENSATION; COLD; COLLISIONS;
D O I：
10.1088/0256-307X/28/12/123401
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the elastic scattering properties of strontium atoms at ultracold temperatures. The scattering parameters, such as s-wave scattering lengths, effective ranges and p-wave scattering lengths, are calculated for all stable isotope combinations of Sr atoms by the quantal method and semiclassical method, respectively. Good agreements are obtained. The scattering parameters are very sensitive to small changes of the reduced mass. Due to the repulsive interisotope and intraisotope s-wave scattering length and large elastic cross sections, Sr-84-Sr-86 mixture is a good candidate to realize Bose-Bose quantum degenerate atomic gases.
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页数：3
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