We present a semi-implicit numerical method for micromagnetics simulations, in the presence of spin-currents. The dynamics of the magnetization are described by the Landau-Lifshitz-Gilbert equation, while the dynamics of the spin are described by a diffusion equation with discontinuous coefficients.
Mobility of spin-polarized holes in GaMnAs multilayers
β Scribed by X.F. Wang; L. Loureiro da Silva; M.A. Boselli; I.C. da Cunha Lima
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 113 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1386-9477
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β¦ Synopsis
The spin-dependent lateral mobility of the hole gas in a AlAs=GaAs quantum well inserted by two Ga1-xMnxAs metallic ferromagnetic layers is studied. A self-consistent approach is used to calculate the electronic structure taking into account the direct Coulomb Hartree and exchange-correlation terms, as well as the sp-d exchange interaction with the Mn magnetic moments. Our results show that the mobility of the anti-parallelly polarized holes can be greatly distinguished from that of the parallelly polarized.
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