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Proceedings Paper

Probability current in presence of Spin-Orbit Interaction
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Paper Abstract

We propose a procedure, based on momentum power series expansion Hamiltonian of nth general order, to obtain a coherent expression of the probability current operator that is valid also when Spin-Orbit Interaction (SOI) terms are included. We prove that we recover the standard definition when the free electron-like term is included in the Hamiltonian, but when taking into account higher order Spin-Orbit Interaction (SOI) terms, a more general definition of the probability current operator is mandatory, due to its different symmetrization, compared to the Hermitian velocity operator expression.

Paper Details

Date Published: 15 September 2011
PDF: 4 pages
Proc. SPIE 8100, Spintronics IV, 810012 (15 September 2011); doi: 10.1117/12.893592
Show Author Affiliations
Federico Bottegoni, Ecole Polytechnique, LSI, CNRS (France)
Henri-Jean Drouhin, Ecole Polytechnique, LSI, CNRS (France)
Guy Fishman, Univ Paris-Sud, IEF, CNRS (France)
Jean-Eric Wegrowe, Ecole Polytechnique, LSI, CNRS (France)

Published in SPIE Proceedings Vol. 8100:
Spintronics IV
Henri-Jean M. Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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