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Abbreviated Journal Title

Phys. Rev. B

Keywords

Fractionally Occupied States; Self-Interaction Correction; Dimensional; Electron-Gas; Transition-Metal Oxides; Landau-Level; Magnetic-Fields; Reversed Spins; Edge Channels; Ground-State; Formalism; Physics; Condensed Matter

Abstract

We have developed an ensemble density-functional theory that includes spin degrees of freedom for non-uniform quantum Hall systems. We have applied this theory using a local-spin-density approximation to study the edge reconstruction of parabolically confined quantum dots. For a Zeeman splitting below a certain critical value, the edge of a completely polarized maximum density droplet reconstructs into a spin-unpolarized structure. For larger Zeeman splittings, the edge remains polarized and develops an exchange hole.

Journal Title

Physical Review B

Volume

56

Issue/Number

16

Publication Date

1-1-1997

Document Type

Article

Language

English

First Page

10373

Last Page

10382

WOS Identifier

WOS:A1997YD47500060

ISSN

0163-1829

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