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Open Quantum Systems Decoherence

Monopole and Topological Electron Dynamics in Adiabatic Spintronic and Graphene Systems

arXiv

Authors: S. G. Tan, M. B. A. Jalil, Takashi Fujita

Year

2009

Paper ID

9192

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

A unified theoretical treatment is presented to describe the physics of electron dynamics in semiconductor and graphene systems. Electron spin fast alignment with the Zeeman magnetic field (physical or effective) is treated as a form of adiabatic spin evolution which necessarily generates a monopole in magnetic space. One could transform this monopole into the physical and intuitive topological magnetic fields in the useful momentum (K) or real spaces (R). The physics of electron dynamics related to spin Hall, torque, oscillations and other technologically useful spinor effects can be inferred from the topological magnetic fields in spintronic, graphene and other SU(2) systems.

Why This Paper Matters

This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2009 reference point for readers tracking recent quantum research.
A unified theoretical treatment is presented to describe the physics of electron dynamics in semiconductor and graphene systems.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0901.3411 [2] arXiv https://arxiv.org/abs/0901.3411 [3] Publisher https://arxiv.org/abs/0901.3411

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