Suppression of the Landau-level coincidence: A phase transition in tilted magnetic fields

S. Koch*, R. J. Haug, K. V. Klitzing, Manijeh Razeghi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Magnetotransport studies of GaxIn1-xAs/InP heterostructures in strong parallel magnetic fields at mK temperatures reveal a suppression of the coincidence of two Landau levels with opposite spin at filling factor 2. This phenomenon is explained by the occurrence of a phase transition from a spin-unpolarized state (at small tilt angles) to a spin-polarized state (at large tilt angles).

Original languageEnglish (US)
Pages (from-to)4048-4051
Number of pages4
JournalPhysical Review B
Volume47
Issue number7
DOIs
StatePublished - Jan 1 1993

ASJC Scopus subject areas

  • Condensed Matter Physics

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