Magnetoroton satellites in the fractional quantum Hall effect

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The properties of the optical-absorption spectrum of the Laughlin liquid state in the presence of a localized dynamic perturbation are investigated. We find that the absorption spectrum consists of magnetoroton satellites. The threshold of the absorption spectrum is finite and a power-law singularity is absent because of the incompressibility of the Laughlin state. A possibility for direct experimental observation of magnetorotons is discussed.

Original languageEnglish
Pages (from-to)1836-1838
Number of pages3
JournalPhysical Review B
Volume40
Issue number3
DOIs
Publication statusPublished - 1989 Dec 1
Externally publishedYes

Fingerprint

Quantum Hall effect
quantum Hall effect
Absorption spectra
Satellites
absorption spectra
incompressibility
Light absorption
optical spectrum
optical absorption
perturbation
thresholds
Liquids
liquids

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Magnetoroton satellites in the fractional quantum Hall effect. / Yang, Sung Ryul.

In: Physical Review B, Vol. 40, No. 3, 01.12.1989, p. 1836-1838.

Research output: Contribution to journalArticle

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