BACK-FLOW ELECTRIC-CURRENT - DC CURRENT AS A QUADRATIC RESPONSE TO AN AC FIELD

被引：2
|
作者：
LIPAVSKY, P [1 ]
SPICKA, V [1 ]
机构：
[1] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,BLACKETT LAB,LONDON SW7 2BZ,ENGLAND
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.50.13981
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study an interaction of a running longitudinal wave with a metal. It is shown within a quadratic response that a single wave creates a dc electric current even if the creation of electron-hole pairs is prohibited. As a consequence, a macroscopic electric current depends on an instant distribution of bosons, e.g., plasmons. Beside a formal theory, two practical formulas are provided: the random phase approximation formula for a general electron band structure, and a general formula for a single parabolic band. © 1994 The American Physical Society.
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页码：13981 / 13993
页数：13
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