Linear response of one dimensional nonlinear system. I. Dynamical properties of the φ4 chain

研究成果: Article査読

10 被引用数 (Scopus)

抄録

The linear response theory of the one dimensional nonlinear systems is formulated in the limit of the overdamping. Transfer integral method is applied to investigate the dynamical structure factor S (k =0, ω). The equation of motion for the distribution function is reduced to a set of independent equations for normal modes. As an example the structure factor for the φ4 chain is calculated to be the sum of a very narrow central peak and a broad overdamped phonon peak. The origin of the former is supposed to be the domain wall motion.

本文言語English
ページ(範囲)699-705
ページ数7
ジャーナルjournal of the physical society of japan
47
3
DOI
出版ステータスPublished - 1979 1 1
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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