Quantum dots with Rashba spin-orbit coupling

Details Quantum dots with Rashba spin-orbit coupling Quantum dots with Rashba spin-orbit coupling

2002-04-18

arxiv.org/abs/cond-mat/0204410v2

Phys. Rev. Lett 89, 206802 (2002) .

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures, revised version, to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.89.206802

We present results on the effects of spin-orbit coupling on the electronic structure of few-electron interacting quantum dots. The ground-state properties as a function of the number of electrons in the dot $N$ are calculated by means of spin density functional theory. We find a suppression of Hund's rule due to the competition of the Rashba effect and exchange interaction. Introducing an in-plane Zeeman field leads to a paramagnetic behavior of the dot in a closed shell configuration, and to spin texture in space.

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