Spin dynamics of a confined electron interacting with magnetic or nuclear spins: A semiclassical approach

Abstract

A physically transparent and mathematically simple semiclassical model is employed to examine dynamics in the central-spin problem. The results reproduce a number of previous findings obtained by various quantum approaches and, at the same time, provide information on the electron spin dynamics and Berry's phase effects over a wider range of experimentally relevant parameters than available previously. This development is relevant to dynamics of bound magnetic polarons and spin dephasing of an electron trapped by an impurity or a quantum dot, and coupled by a contact interaction to neighboring localized magnetic impurities or nuclear spins. Furthermore, it substantiates the applicability of semiclassical models to simulate dynamic properties of spintronic nanostructures with a mesoscopic number of spins.

5 pages, 3 figures

References in corpus (18)

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Cited by in corpus (7)

• Dynamic nuclear polarization as kinetically constrained diffusion
• Superexchange dominates in magnetic topological insulators
• Dynamics of entanglement of two electron spins interacting with nuclear spin baths in quantum dots
• Quantitative theory of backscattering in topological HgTe and (Hg,Mn)Te quantum wells: acceptor states, Kondo effect, precessional dephasing, and bound magnetic polaron
• Theory of bound magnetic polarons in cubic and uniaxial antiferromagnets
• Role of magnetic doping in topological HgTe and application of the Gram-Schmidt method for computing impurity states in quantum wells
• From narrow-gap and semimagnetic semiconductors to spintronics and topological matter: a life with spins