Nonlinear plasma waves in an electron gas

@article{Kolomeisky2018NonlinearPW,
  title={Nonlinear plasma waves in an electron gas},
  author={Eugene B. Kolomeisky},
  journal={Journal of Physics A: Mathematical and Theoretical},
  year={2018}
}
  • E. B. Kolomeisky
  • Published 3 March 2018
  • Physics
  • Journal of Physics A: Mathematical and Theoretical
The nature of traveling wave solutions to equations of hydrodynamics of a generic three-dimensional electron gas with parabolic dispersion law depends on whether the motion is subsonic or supersonic. Solitons representing localized depressions of the electrostatic potential and electron density are predicted to exist in the subsonic regime: at rest the solitons are dark while in motion they are grey. Two types of periodic waves are found in the supersonic regime: (i) smooth waves whose small… 
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