Phonon- and electron-temperature waves in a Maxwell-Cattaneo heat-conduction theory

A two-temperature model, which is fully compatible with the Maxwell-Cattaneo heat-conduction theory, is developed. It allows to account for different heat carriers' temperatures, as well as for their mutual energy exchange. Its physical consistency is proved by means of the second law of thermo...

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Bibliographic Details
Published in:Journal of thermal stresses 2021-01, Vol.44 (1), p.1-19
Main Author: Sellitto, A.
Format: Article
Language:English
Subjects:
05.70.Ln
44.10.+i
66.70.-f
Acceleration wave
Conduction heating
electron temperature
Heat
Heat exchange
non-equilibrium temperature
phonon temperature
Phonons
Temperature
thermal-wave propagation
Thermodynamics
Wave propagation
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Summary:A two-temperature model, which is fully compatible with the Maxwell-Cattaneo heat-conduction theory, is developed. It allows to account for different heat carriers' temperatures, as well as for their mutual energy exchange. Its physical consistency is proved by means of the second law of thermodynamics. The propagation of phonon- and electron-temperature waves is also analyzed, and the results are plotted in the case of a sample at
ISSN:0149-5739
1521-074X
DOI:10.1080/01495739.2020.1820922