Spin–orbit coupling and electron spin resonance for interacting electrons in carbon nanotubes

  title={Spin–orbit coupling and electron spin resonance for interacting electrons in carbon nanotubes},
  author={Alessandro De Martino and Reinhold Egger and F. Murphy-Armando and Karen Hallberg},
  journal={Journal of Physics: Condensed Matter},
We review the theoretical description of spin-orbit scattering and electron spin resonance in carbon nanotubes. Particular emphasis is laid on the effects of electron-electron interactions. The spin-orbit coupling is derived, and the resulting ESR spectrum is analyzed both using the effective low-energy field theory and numerical studies of finite-size Hubbard chains and two-leg Hubbard ladders. For single-wall tubes, the field theoretical description predicts a double peak spectrum linked to… 

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