Derives short-time spin-momentum relaxation dynamics and a cubic equation for spin isotropization time in disordered systems with uniform SU(2) gauge fields, validated against numerical calculations.
It can be shown that the disorder-averaged Green’s operator ˆG(E) satisfies the Dyson equation ˆG= ˆG0 + ˆG0 ˆΣ ˆGwhich involves the self-energy operator Σ(E) at energyE
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Mesoscopic scattering dynamics under generic uniform SU(2) gauge fields: Spin-momentum relaxation and coherent backscattering
Derives short-time spin-momentum relaxation dynamics and a cubic equation for spin isotropization time in disordered systems with uniform SU(2) gauge fields, validated against numerical calculations.