UNSPECIFIED (1993) QUENCHING OF THE QUANTUM HALL-EFFECT IN A UNIFORM BALLISTIC QUANTUM-WIRE. [Journal Item]

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Abstract

Self-consistent calculations are made of wave functions and two kinds of Hall resistance for a 2DEG confined in a uniform ballistic quantum wire in a weak perpendicular magnetic field when several subbands are occupied. We find intermittent quenching of the Hall resistance associated with the local chemical potential as the electron density varies. The quenching is due to the overlap of opposite-going wave functions in the same subband, which is enhanced significantly by the singularity of the density of states at the subband minimum as well as by Coulomb interactions between electrons.

Item Type:	Journal Item
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF PHYSICS-CONDENSED MATTER
Publisher:	IOP PUBLISHING LTD
ISSN:	0953-8984
Date:	16 August 1993
Volume:	5
Number:	33
Number of Pages:	8
Page Range:	L397-L404
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/21126

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