Theory of Central Peak in Quasi-One-Dimensional Ferroelectric systems —Application to CsD2PO4

Masatoshi Imada*

*この研究の対応する著者

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Linear response of weakly coupled ϕ4 chains is investigated. The transfer integral method can be applied when the effect of the interchain coupling is taken into account using the mean field approximation. The Fokker-Planck equation is solved with a simple decoupling approximation for the phase space distribution function. We find a central peak structure in the dynamical structure factor. The intensity of the central peak diverges at the ferroelectric transition. This corresponds to the “softening” of the response of the domain wall. These phenomena may be observed in quasi-one-dimensional system such as CsD2PO4.

本文言語English
ページ(範囲)1457-1464
ページ数8
ジャーナルjournal of the physical society of japan
50
5
DOI
出版ステータスPublished - 1981
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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