Nonlinear response for time-dependent external fields

被引：20

作者：

Petravic, J

Evans, DJ

机构：

[1] Research School of Chemistry, Australian National University, 0200, Canberra, Australian Capital Territory

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.78.1199

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We generalize nonlinear response theory for autonomous systems so that it describes the response of classical many-body systems to large time-dependent external fields. Our formalism represents the first practical application of response theory to such problems. Our expressions for the nonlinear time-dependent response are tested against nonequilibrium molecular dynamics computer simulation. The relation of our results to known special cases (time-dependent linear response and time-independent nonlinear response) is discussed.

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收藏

页码：1199 / 1202

页数：4

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