Residual bulk viscosity of a disordered two-dimensional electron gas

被引：5

作者：

Zakharov, V. A. ^{[1
]}

Burmistrov, I. S. ^{[2
,3
]}

机构：

[1] Skolkovo Inst Sci & Technol, Moscow 121205, Russia

[2] LD Landau Inst Theoret Phys, Acad Semenova Av 1-A, Chernogolovka 142432, Russia

[3] HSE Univ, Lab Condensed Matter Phys, Moscow 101000, Russia

来源：

PHYSICAL REVIEW B | 2021年 / 103卷 / 23期

基金：

俄罗斯基础研究基金会;

关键词：

FLOW; RESISTANCE;

D O I：

10.1103/PhysRevB.103.235305

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nonzero bulk viscosity signals breaking of the scale invariance. We demonstrate that disorder in a two-dimensional noninteracting electron gas in a perpendicular magnetic field results in nonzero disorder-averaged bulk viscosity. We derive an analytic expression for the bulk viscosity within the self-consistent Born approximation. This residual bulk viscosity provides the lower bound for the bulk viscosity of 2D interacting electrons at low enough temperatures.

引用

页数：9

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