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Attosecond kinetics of photoexcited Germanium

  • Author(s): Kraus, PM
  • Kaplan, CJ
  • Zuerch, M
  • Chang, HT
  • Jager, MF
  • Cushing, SK
  • Borja, LJ
  • Neumark, DM
  • Leone, SR
  • et al.
Abstract

© 2017 IEEE. Attosecond transient reflectivity is developed to observe the photoexcitation dynamics in germanium. Attosecond time-resolved measurements of the dielectric function reveal a fewfemtosecond collective electronic response time, which renormalizes the Coulomb interaction between the excited carriers.

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