Quantum scattering determination of magnetoconductance for two-dimensional systems

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4 Scopus citations

Abstract

We employ multichannel quantum scattering theory to treat the magnetoconductance tensor of finitesize two-dimensional samples. We find that <xy(B) vanishes identically as a result of unitarity (but the Hall voltage does not vanish), <xx(B) decreases monotonically with magnetic field without any oscillation with period of the quantum flux, and for weak impurity scattering <xx(B) < is smaller (larger) than the conductance of an impurity-free sample for small (large) B values.

Original languageEnglish
Pages (from-to)2251-2254
Number of pages4
JournalPhysical Review Letters
Volume58
Issue number21
DOIs
StatePublished - 1 Jan 1987

ASJC Scopus subject areas

  • General Physics and Astronomy

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