Pauli spin blockade in the presence of strong spin-orbit coupling

Journal article
Department
Kavli Institute of Nanoscience (AS) (TU Delft)
Copyright: © 2009 The Authors ; American Physical Society
DOI: https://doi.org/doi:10.1103/PhysRevB.80.041301
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Source:

Physical Review B, 80 (4), 2009

Faculty

Applied Sciences

Department

Kavli Institute of Nanoscience

Abstract

We study electron transport in a double quantum dot in the Pauli spin blockade regime in the presence of strong spin-orbit coupling. The effect of spin-orbit coupling is incorporated into a modified interdot tunnel coupling. We elucidate the role of the external magnetic field, the nuclear fields in the dots, and the spin relaxation. We find qualitative agreement with experimental observations, and we propose a way to extend the range of magnetic fields in which blockade can be observed.

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