Anisotropic spin relaxation in -GaAs from strong inhomogeneous hyperfine fields produced by the dynamical polarization of nuclei
N. J. Harmon, T. A. Peterson, C. C. Geppert, S. J. Patel, C. J. Palmstrøm, P. A. Crowell, and M. E. Flatté
Phys. Rev. B 92, 140201(R) (2015) - Published 7 October, 2015
Previous studies have shown that the nuclear spin polarization in GaAs is spatially inhomogeneous. The authors of this paper argue that the hyperfine interaction between the electron spins and inhomogeneous nuclear field is of Dyakonov-Perel type. They show that the inclusion of corresponding anisotropic spin relaxation mechanism produces a better fit of the experimentally measured Hanle effect.



