Excitation Spectrum of a Double Quantum Well System in a Strong Magnetic Field

Osamu Narikiyo, Daijiro Yoshioka

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

The collective charge-excitation spectrum of a double quantum well system in a strong magnetic field is obtained within the random phase approximation. Correction to the spectrum coming from the finiteness of the magnetic field is calculated up to the first order in inverse of the magnetic field. Dependencies on the magnetic field of (i) the velocity of long wave length excitation and (ii) the phase boundary of the quantum Hall state signaled by the softening of the roton minimum of the spectrum are discussed.

本文言語英語
ページ(範囲)1612-1623
ページ数12
ジャーナルjournal of the physical society of japan
62
5
DOI
出版ステータス出版済み - 1 1 1993
外部発表はい

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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