Spin orbit induced torque in collinear spin valve structuer and associated entropy

Details Spin orbit induced torque in collinear spin valve structuer and associated entropy Spin orbit induced torque in collinear spin valve structuer and associated entropy

2005-08-17

arxiv.org/abs/cond-mat/0508386v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 two column pages, 7 figs

Scientific paper

We predict that due to spin-orbit(SO) interaction there is a torque even for the parallel configuration of spin valve structure (F1/2DEG/F2). This torque arises due to spin orbit interaction. We develop a scattering theory for spin density matrix which allows us to study this effect quantitatively. Further we show that the von-Neumann entropy associated with transport of polarization can show non-linear behavior as a function of absolute angle and oscillator behavior as a function of SO interaction strength.

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