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

Published online by Cambridge University Press:  30 August 2005

YU.V. PETROV
YU.V. PETROV
Affiliation:
L.D. Landau Institute for Theoretical Physics, Chernogolovka, Russia
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Abstract

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.

Keywords

Electron-lattice energy transferFemtosecond laser pulseUmklapp processes
Type
Research Article
Information
Laser and Particle Beams , Volume 23 , Issue 3 , September 2005 , pp. 283 - 289
Copyright
© 2005 Cambridge University Press

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