Quantum dots in magnetic fields: Phase diagram and broken symmetry of the Chamon-Wen edge

Details Quantum dots in magnetic fields: Phase diagram and broken symmetry of the Chamon-Wen edge Quantum dots in magnetic fields: Phase diagram and broken symmetry of the Chamon-Wen edge

1999-04-06

arxiv.org/abs/cond-mat/9904067v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures included in the text

Scientific paper

10.1103/PhysRevLett.83.3270

Quantum dots in magnetic fields are studied within the current spin density functional formalism avoiding any spatial symmetry restrictions of the solutions. We find that the maximum density droplet reconstructs into states with broken internal symmetry: The Chamon-Wen edge co-exists with a modulation of the charge density along the edge. The phase boundaries between the polarization transition, the maximum density droplet and its reconstruction are in agreement with recent experimental results.

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