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Article overview
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Classical memory effects on spin dynamics in two-dimensional systems | I.S. Lyubinskiy
; V.Yu. Kachorovskii
; | Date: |
7 Jul 2005 | Subject: | Disordered Systems and Neural Networks; Mesoscopic Systems and Quantum Hall Effect | cond-mat.dis-nn cond-mat.mes-hall | Abstract: | We discuss classical dynamics of electron spin in two-dimensional semiconductors with a spin-split spectrum. We focus on a special case, when spin-orbit induced random magnetic field is directed along a fixed axis. This case is realized in III-V-based quantum wells grown in [110] direction and also in [100]-grown quantum wells with equal strength of Dresselhaus and Bychkov-Rashba spin-orbit couplings. We show that in such wells the long-time spin dynamics is determined by non-Markovian memory effects. Due to these effects the non-exponential tail $1/t^2$ appears in the spin polarization. | Source: | arXiv, cond-mat/0507171 | Services: | Forum | Review | PDF | Favorites |
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