Interaction-induced interlayer charge transfer at high magnetic fields

H. C. Manoharan, Y. W. Suen, T. S. Lay, M. B. Santos, M. Shayegan

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Experiments reveal that an electron system confined in a wide quantum well can form two equally populated layers at zero magnetic field and then spontaneously break this symmetry through an interlayer charge transfer near the magnetic quantum limit. New fractional quantum Hall states at unusual total filling factors such as v = 11/15 (= 1/3 + 2/5) stabilize as signatures that the system deforms itself, at substantial electrostatic energy cost, in order to gain crucial correlation energy by "locking in" separate incompressible liquid phases at unequal fillings in the two layers (e.g., layered 1/3 and 2/5 states in the case of v = 11/15).

Original languageEnglish (US)
Pages (from-to)172-175
Number of pages4
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume1
Issue number1-4
DOIs
StatePublished - Jan 19 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Keywords

  • High magnetic field
  • Interlayer charge transfer

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