Observation of narrow-band noise accompanying the breakdown of insulating states in high Landau levels.

Cooper, K B; Eisenstein, J P; Pfeiffer, L N; West, K W

Cooper, K B; Eisenstein, J P; Pfeiffer, L N; West, K W.

Afiliación

Cooper KB; California Institute of Technology, Pasadena, California 91125, USA.

Phys Rev Lett ; 90(22): 226803, 2003 Jun 06.

Article en En | MEDLINE | ID: mdl-12857332

RESUMEN

Recent magnetotransport experiments on high mobility two-dimensional electron systems have revealed many-body electron states unique to high Landau levels. Among these are reentrant integer quantum Hall states which undergo sharp transitions to conduction above some threshold field. Here we report that these transitions are often accompanied by narrow- and broad-band noise with frequencies which are strongly dependent on the magnitude of the applied dc current.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2003 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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