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Spin relaxation in SiGe two-dimensional electron gases

The spins of electrons in two-dimensional electron gases precess in the Rashba field that comes from spin-orbit coupling and the electric field in the nanostructure. When the electron scatters, the axis of precession undergoes a random re-orientation, causing relaxation. Charlie Tahan and I calculated the size of this effect and its dependence on the direction of the applied magnetic field.

C. Tahan and R. Joynt, cond-mat/0401615, Phys. Rev. B 71, 075315 (2005) and C. Tahan and R. Joynt, Phys. Rev. B 71, 075315 (2005)

Spin relaxation in SiGe two-dimensional electron gasses
Rashba spin-orbit coupling and spin relaxation in silicon quantum wells

  

 

 

 

 

 


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