Nonequilibrium electron spin polarization in a double quantum dot. Lande mechanism

Details Nonequilibrium electron spin polarization in a double quantum dot. Lande mechanism Nonequilibrium electron spin polarization in a double quantum dot. Lande mechanism

2005-08-24

arxiv.org/abs/cond-mat/0508566v3

Phys. Rev. B 74, 035325 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

New version contains figures. New title better reflects the content of the paper

Scientific paper

10.1103/PhysRevB.74.035325

In moderately strong magnetic fields, the difference in Lande g-factors in each of the dots of a coupled double quantum dot device may induce oscillations between singlet and triplet states of the entangled electron pair and lead to a nonequilibrium electron spin polarization. We will show that this polarization may partially survive the rapid inhomogeneous decoherence due to random nuclear magnetic fields.

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