Magnetization in short-period mesoscopic electron systems

Details Magnetization in short-period mesoscopic electron systems Magnetization in short-period mesoscopic electron systems

1999-10-28

arxiv.org/abs/cond-mat/9910479v2

Phys. Rev. B 61, 4835-4843 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

RevTeX4, 10 pages with 14 included postscript figures To be published in PRB. Replaced to repair figures

Scientific paper

10.1103/PhysRevB.61.4835

We calculate the magnetization of the two-dimensional electron gas in a short-period lateral superlattice, with the Coulomb interaction included in Hartree and Hartree-Fock approximations. We compare the results for a finite, mesoscopic system modulated by a periodic potential, with the results for the infinite periodic system. In addition to the expected strong exchange effects, the size of the system, the type and the strength of the lateral modulation leave their fingerprints on the magnetization.

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