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Abbreviated Journal Title

Phys. Rev. B

Keywords

2-Dimensional Electron-Gas; Landau-Level; Ground-State; Skyrmions; Excitations; Magnetism; Integer; Wells; Nu=1; Physics; Condensed Matter

Abstract

We extend our ensemble density-functional approach to quantum Hall systems to include noncollinear spins to study charge-spin textures in inhomogeneous quantum Hall systems. We have studied the edge reconstruction in quantum dots at unit bulk filling factor and at 1/3 bulk filling factor as a function of the stiffness of an external confining potential. For soft enough edges, these systems reconstruct to a state in which the electron spins rotate gently as the edge is approached, with a nontrivial spin-charge texture at the edge of the system.

Journal Title

Physical Review B

Volume

59

Issue/Number

12

Publication Date

1-1-1999

Document Type

Article

Language

English

First Page

8073

Last Page

8083

WOS Identifier

WOS:000079514300047

ISSN

1098-0121

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