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Spin dynamics in the strong spin-orbit coupling regime

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dc.creator Liu, Xin en_US
dc.creator Liu, Xiong-Jun en_US
dc.creator Sinova, Jairo. en_US
dc.date.accessioned 2012-09-19T20:05:48Z
dc.date.available 2012-09-19T20:05:48Z
dc.date.issued 2011 en_US
dc.identifier.citation Xin Liu, Xiong-Jun Liu and Jairo Sinova. Phys.Rev.B 84 035318 2011."Copyright (2011) by the American Physical Society." en_US
dc.identifier.uri http://dx.doi.org/10.1103/PhysRevB.84.035318 en_US
dc.identifier.uri http://hdl.handle.net/1969.1/146836
dc.description Journals published by the American Physical Society can be found at http://journals.aps.org/ en_US
dc.description.abstract We study the spin dynamics in a high-mobility two-dimensional electron gas with generic spin-orbit interactions (SOI's). We derive a set of spin-dynamics equations that capture purely exponentially the damped oscillatory spin evolution modes observed in different regimes of SOI strength. Hence we provide a full treatment of the D'yakonov-Perel mechanism by using the microscopic linear-response theory from the weak to the strong SOI limit. We show that the damped oscillatory modes appear when the electron scattering time is larger than half of the spin precession time due to the SOI, in agreement with recent observations. We propose a way to measure the scattering time and the relative strength of Rashba and linear Dresselhaus SOI's based on these modes and optical grating experiments. We discuss the physical interpretation of each of these modes in the context of Rabi oscillation. en_US
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.rights This work is archived in the Texas A&M Digital Repository with the express permission of the rights holder (commonly but not always the publisher). A copy of the permission document is on file with the Texas A&M University Libraries. en_US
dc.subject SEMICONDUCTOR QUANTUM-WELLS en_US
dc.subject Physics en_US
dc.title Spin dynamics in the strong spin-orbit coupling regime en_US
dc.type Article en_US
local.department Physics and Astronomy en_US


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