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ЖУРНАЛЫ // Наносистемы: физика, химия, математика // Архив

Наносистемы: физика, химия, математика, 2011, том 2, выпуск 3, страницы 29–36 (Mi nano630)

MATHEMATICS

Coulomb effects on the spin polarization of quantum rings

A. Manolescua, C. Dadayab, V. Gudmundssonb

a School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
b Science Institute, University of Iceland, Reykjavik, Iceland

Аннотация: We consider electrons in a circular nanoring of zero width, in magnetic field, and with Rashba spin-orbit interaction. We include the Coulomb interaction in the the “exact diagonalization” manner. The Coulomb interaction has strong effects on the spin polarization which may be totally different than for noninteracting electrons. Our current results include up to four electrons, but this number can easily be increased.

Ключевые слова: quantum ring, spin-orbit interaction, Coulomb interaction.

УДК: 538.958

PACS: 71.70.Ej, 73.21.Hb

Язык публикации: английский



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