Spin-orbit coupling and anisotropic exchange in two-electron double quantum dots

URN to cite this document:: urn:nbn:de:bvb:355-epub-144621
DOI to cite this document:: 10.5283/epub.14462

Baruffa, Fabio ; Stano, Peter ; Fabian, Jaroslav

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Date of publication of this fulltext: 21 Apr 2010 11:45

Alternative links to fulltext:Arxiv

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Abstract

The influence of the spin-orbit interactions on the energy spectrum of two-electron laterally coupled quantum dots is investigated. The effective Hamiltonian for a spin qubit pair proposed in Baruffa et al. [Phys. Rev. Lett. 104, 126401 (2010)] is confronted with exact numerical results in single and double quantum dots in zero and finite magnetic field. The anisotropic exchange Hamiltonian is ...