Phonon Hall thermal conductivity from the Green-Kubo formula

被引：47

作者：

Wang, Jian-Sheng ^{[1
,2
,3
]}

Zhang, Lifa

机构：

[1] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

[2] Inst High Performance Comp, Singapore 138632, Singapore

[3] Singapore MIT Alliance, Singapore 117576, Singapore

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 01期

关键词：

ballistic transport; magnetic fields; perturbation theory; phonon dispersion relations; spin Hall effect; spin-phonon interactions; thermal conductivity; PARAMAGNETIC RELAXATION; MAGNETIC-FIELD; SPIN; LATTICE; LIGHT;

D O I：

10.1103/PhysRevB.80.012301

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We derive an exact formula for the thermal-conductivity tensor of a ballistic phonon Hall model. It is found that, although the diagonal elements of the conductivity tensor diverge to infinite, the off-diagonal elements are finite, antisymmetric, and odd in magnetic field. The off-diagonal elements are nonzero only if the dynamic matrix of the phonon system breaks mirror-reflection symmetry. The results are obtained without perturbative treatment of the spin-phonon interactions.

引用

页数：4

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