Hydrodynamic description of femtosecond transient thermoreflectivity |
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| Authors: | J. Somlói R. A. Bakker A. Lörincz |
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| Affiliation: | 1. Department of Photophysics, Radiation Research Laboratory, Institute of Isotopes of the Hungarian Academy of Sciences, Konkoly-Thege 29-33, P.O. Box 77, H-1525, Budapest, Hungary
2. Department of Physics, Delft University of Technology, P.O. Box 5, 2600 AA, Delft, The Netherlands
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| Abstract: | Femtosecond transient reflectivity curves are computed using hydrodynamic approximation for describing the behaviour of the material in the collisionless free-electron domain. Two cases, the dominant electron-impurity scatterings and the dominant electron-phonon relaxations are considered to describe the heat diffusion in non-equilibrated lattice and electronic subsystems. |
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