Trajectory of virtual, bound and resonant Efimov states

被引：0
|
作者：
M. T. Yamashita
T. Frederico
L. Tomio
机构：
[1] Campus Experimental de Itapeva,Departamento de Física
[2] UNESP,Instituto de Física Teórica
[3] ITA,undefined
[4] CTA,undefined
[5] UNESP,undefined
来源：
Few-Body Systems | 2008年 / 44卷
关键词：
Halo Nucleus; Virtual State; Riemann Sheet; Complex Energy Plane; Pole Trajectory;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The pole trajectory of Efimov states for a three-body ααβ system with αα unbound and αβ bound is calculated using a zero-range Dirac-δ potential. It is shown that a three-body bound state turns into a virtual one by increasing the αβ binding energy. This result is consistent with previous results for three equal mass particles. The present approach considers the n-n-18C halo nucleus. However, the results have good perspective to be tested and applied in ultracold atomic systems, where one can realize such three-body configuration with tunable two-body interaction.
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收藏
页码：191 / 193
页数：2
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