Damping via the hyperfine interaction of a spin-rotation mode in a two-dimensional strongly magnetized electron plasma.

@article{Dickmann2020DampingVT,
  title={Damping via the hyperfine interaction of a spin-rotation mode in a two-dimensional strongly magnetized electron plasma.},
  author={Sergey Dickmann},
  journal={Journal of physics. Condensed matter : an Institute of Physics journal},
  year={2020}
}
  • S. Dickmann
  • Published 30 November 2020
  • Physics
  • Journal of physics. Condensed matter : an Institute of Physics journal
We address damping of a Goldstone spin-rotation mode emerging in a quantum Hall ferromagnet due to laser pulse excitation. Recent experimental data show that the attenuation mechanism, dephasing of the observed Kerr precession, is apparently related not only to spatial fluctuations of the electron Land´e factor in the quantum well, but to a hyperfine interaction with nuclei, because local magnetization of GaAs nuclei should also experience spatial fluctuations. The motion of the macroscopic spin… 

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