Strongly anisotropic transport in higher two-dimensional Landau levels

R. R. Du, D. C. Tsui, H. L. Stormer, L. N. Pfeiffer, K. W. Baldwin, K. W. West

Research output: Contribution to journalArticlepeer-review

388 Scopus citations

Abstract

Low-temperature, electronic transport in Landau levels N > 1 of a two-dimensional electron system is strongly anisotropic. At half-filling of either spin level of each such Landau level the magnetoresistance either collapses to form a deep minimum or is peaked in a sharp maximum, depending on the in-plane current direction. Such anisotropies are absent in the N=0 and N=1 Landau level, which are dominated by the states of the fractional quantum Hall effect. The transport anisotropies may be indicative of a new many particle state, which forms exclusively in higher Landau levels.

Original languageEnglish (US)
Pages (from-to)389-394
Number of pages6
JournalSolid State Communications
Volume109
Issue number6
DOIs
StatePublished - Jan 15 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry

Keywords

  • A. Heterojunctions
  • D. Electron-electron interactions
  • D. Quantum Hall effect

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