Anisotropy effects on the quantum transport of atomic matter waves

被引:1
|
作者
Yedjour, Afifa [1 ]
Boudjemaa, Abdelaali [2 ,3 ]
机构
[1] USTO MB, Fac Phys, BP1505 MNaour, Oran 31000, Algeria
[2] Hassiba Benbouali Univ Chlef, Fac Exact Sci & Informat, Dept Phys, POB 78, Chlef 02000, Algeria
[3] Hassiba Benbouali Univ Chlef, Lab Mech & Energy, POB 78, Chlef 02000, Algeria
关键词
quantum transport; anisotropic scattering; ultracold atoms; optical potentials; diffusion constant; quantum corrections; MULTIPLE LIGHT-SCATTERING; ANDERSON LOCALIZATION; SCALING THEORY; DIFFUSION; ABSENCE;
D O I
10.1088/1402-4896/acbb3c
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We discuss effects of anisotropic scattering in transport properties of ultracold atoms in three-dimensional optical potentials. Within the realm of the first Born approximation, we calculate the self energy, the scattering mean free time, the scattering mean free path, and the anisotropy factor. The behavior of the diffusion constant as a function of the wavenumber is also examined in diffusive and weak localization regimes. We show that these quantities are affected by quantum corrections due to the interference caused by disorder. The dimensionless conductance is evaluated using the scaling theory of localization. Our results are compared with previous theoretical and the experimental results.
引用
收藏
页数:8
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