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Landau–Kelly representation of statistical thermodynamics of a quantum plasma and electron emission from metals

Published online by Cambridge University Press:  04 June 2020

L. N. Tsintsadze ,
G. M. Peradze Open the ORCID record for G. M. Peradze [Opens in a new window]  and
N. L. Tsintsadze
L. N. Tsintsadze
Affiliation:
Faculty of Exact and Natural Sciences, Andronikashvili Institute of Physics, Javakhishvili Tbilisi State University, Tbilisi, 0128, Georgia
G. M. Peradze*
Affiliation:
Faculty of Exact and Natural Sciences, Andronikashvili Institute of Physics, Javakhishvili Tbilisi State University, Tbilisi, 0128, Georgia
N. L. Tsintsadze
Affiliation:
Faculty of Exact and Natural Sciences, Andronikashvili Institute of Physics, Javakhishvili Tbilisi State University, Tbilisi, 0128, Georgia
*
†Email address for correspondence: GrigolPeradze@tsu.ge
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Abstract

We have investigated the influence of a strong magnetic field on various aspects of a quantum Fermi plasma. Due to the strong magnetic field, the distribution function becomes anisotropic. First, we consider non-degenerate quantum, Landau and Kelly distribution function. It was found that the adiabatic equation is similar to the adiabatic equation for a Maxwell distribution function, when we include the magnetic field in the energy expression. Using the Kelly distribution for a degenerate, quantum Fermi gas, parallel and perpendicular components of the pressure were derived. It was found that perpendicular component of pressure never becomes zero and three-dimensional system always stay three-dimensional. Lastly, we investigated electron emission from metals and have shown the influence of the magnetic field. We calculated thermionic emission, the so-called Richardson effect. In addition, we investigate the influence of external electromagnetic radiation on the electron current density (Hallwachs effect) from metals.

Keywords

quantum plasma
Type
Research Article
Information
Journal of Plasma Physics , Volume 86 , Issue 3 , June 2020 , 905860309
Copyright
© The Author(s), 2020. Published by Cambridge University Press

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