Universality in bosonic dimer-dimer scattering

被引：23
|
作者：
Deltuva, A. [1 ]
机构：
[1] Univ Lisbon, Ctr Fis Nucl, P-1649003 Lisbon, Portugal
来源：
PHYSICAL REVIEW A | 2011年 / 84卷 / 02期
关键词：
SYSTEM; LENGTH;
D O I：
10.1103/PhysRevA.84.022703
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Bosonic dimer-dimer scattering is studied near the unitary limit using momentum-space equations for the four-particle transition operators. The impact of the Efimov effect on the dimer-dimer scattering observables is explored, and a number of universal relations is established with high accuracy. The rate for the creation of Efimov trimers via dimer-dimer collisions is calculated.
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页数：5
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