Frequency Dependent Mobility of the Sine-Gordon Chain

Masatoshi Imada

doi:10.1143/JPSJ.50.401

Frequency Dependent Mobility of the Sine-Gordon Chain

Masatoshi Imada

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Linear response is investigated for the sine-Gordon chain. This is a direct application of a method introduced in a previous paper. The transfer integral method is applied. The Fokker-Planck equation is solved with a kind of decoupling approximation of the phase space distribution function. The frequency dependent mobility is obtained. It has a remarkable peak at a finite frequency and a small finite mobility at ω=0 for an appropriate choice of the damping constant.

Original language	English
Pages (from-to)	401-408
Number of pages	8
Journal	journal of the physical society of japan
Volume	50
Issue number	2
DOIs	https://doi.org/10.1143/JPSJ.50.401
Publication status	Published - 1981
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Frequency Dependent Mobility of the Sine-Gordon Chain

Abstract

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