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Energy exchange between the lattice and electrons in a metal under femtosecond laser irradiation

  • YU.V. PETROV (a1)


The energy transfer rate between the lattice and electrons in strongly nonequilibrium electron-phonon system of crystalline aluminum created by ultrashort femtosecond laser pulse is calculated in the frame of two-temperature model for a wide range of electron temperature. It is shown that the energy, transmitted from electrons to the lattice per unit volume of the crystal per unut time strongly increases when taking into account the umklapp processes in the electron-phonon scattering.


Corresponding author

Address correspondence and reprint requests to: Yu.V. Petrov, L.D. Landau Institute for Theoretical Physics, Chernogolovka, Moscow Region 142432, Russia. E-mail:


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Laser and Particle Beams
  • ISSN: 0263-0346
  • EISSN: 1469-803X
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