Spin-Spin Interaction In Artificial Molecules With In-Plane Magnetic Field
Mesoscale and Nanoscale Physics
2009-11-10 v1
Abstract
We investigate theoretically the spin-spin interaction of two-electrons in vertically coupled QDs as a function of the angle between magnetic field and growth axis. Our numerical approach is based on a real-space description of single-particle states in realistic samples and exact diagonalization of carrier-carrier Coulomb interaction. In particular, the effect of the in-plane field component on tunneling and, therefore, spin-spin interaction will be discussed; the singlet-triplet phase diagram as a function of the field strength and direction is drawn.
Keywords
Cite
@article{arxiv.cond-mat/0405186,
title = {Spin-Spin Interaction In Artificial Molecules With In-Plane Magnetic Field},
author = {Devis Bellucci and Massimo Rontani and Guido Goldoni and Filippo Troiani and Elisa Molinari},
journal= {arXiv preprint arXiv:cond-mat/0405186},
year = {2009}
}
Comments
Proc. of EP2DS-15, Nara, Japan - 6 pages, 4 figures