Anisotropic terahertz response from a strong-field ionized electron-ion plasma

B. Pasenow, Colm A Dineen, Jorg Hader, Moysey Brio, Jerome V Moloney, Stephan W Koch, S. H. Chen, A. Becker, A. Jaroń-Becker

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Abstract

A microscopic theory is adapted to compute the time-resolved terahertz (THz) probe response of a dynamically evolving, strong-field ionized electron-ion plasma. The numerical solutions show that the relaxation of the initially highly anisotropic carrier distributions leads to a polarization dependent short-time THz response. This THz polarization discrimination gradually vanishes as the plasma approaches a thermodynamic equilibrium configuration via electron-electron and electron-ion scattering. The detailed carrier-relaxation dynamics causes a strongly nonmonotonic time-development of the THz absorption.

Original languageEnglish (US)
Article number033106
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume87
Issue number3
DOIs
Publication statusPublished - Mar 20 2013

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ASJC Scopus subject areas

  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Statistics and Probability

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