Transport Properties of an Interacting Quantum Dot with a Non-Uniform Magnetization

Details Transport Properties of an Interacting Quantum Dot with a Non-Uniform Magnetization Transport Properties of an Interacting Quantum Dot with a Non-Uniform Magnetization

2008-07-09

arxiv.org/abs/0807.1400v1

Europhys. Lett., 83, 57003, (2008)

Physics

Condensed Matter

Disordered Systems and Neural Networks

6 pages, to be published in EPL

Scientific paper

10.1209/0295-5075/83/57003

We study the influence of the non-homogeneity of a magnetization field on the behaviour of interacting electrons in a quantum dot. In particular we investigate the magnetotransport properties when the dot is weakly coupled to two ferromagnetic leads. We take into account the interactions in the quantum dot non-perturbatively. For a magnetization which varies slowly on the scale of the Fermi wave length, the non-homogeneity effect is described by a gauge potential that can be treated perturbatively.

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