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Effect of Dipolar Interaction on Information Entropy in Precession Bose-Einstein Condensates
International Journal of Theoretical Physics ( IF 1.4 ) Pub Date : 2020-05-11 , DOI: 10.1007/s10773-020-04455-8
Qiang Zhao , Shichao Yang , Xiaoyu Li

In this paper, we study the formation of Shannon information entropy in a two axes rotating precessing Bose-Einstein condensates subject to dipole-dipole interactions. Our results show that how the Shannon information entropy depends on the second rotational frequency Ω x and dipole strength g d . With the increasing of g d , the position component S r increases and momentum component S k decreases at the same Ω x . Furthermore, we find that Landsberg’s order parameter η monotonically decreases with increasing Ω x and η increases with increasing g d at the same Ω x . Finally, we find that the increasing of dipole strength has no effect on the dynamic formation process of information entropy.

中文翻译:

偶极相互作用对进动玻色-爱因斯坦凝聚中信息熵的影响

在本文中,我们研究了受偶极-偶极相互作用影响的两轴旋转进动玻色-爱因斯坦凝聚体中香农信息熵的形成。我们的结果表明香农信息熵如何取决于第二旋转频率 Ω x 和偶极子强度 gd 。随着 gd 的增加,位置分量 S r 增加,动量分量 S k 减小,Ω x 相同。此外,我们发现 Landsberg 的阶数参数 η 随着 Ω x 的增加而单调减小,并且 η 在相同的 Ω x 下随着 gd 的增加而增加。最后,我们发现偶极子强度的增加对信息熵的动态形成过程没有影响。
更新日期:2020-05-11
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