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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2016, Volume 103, Issue 4, Pages 258–262
DOI: https://doi.org/10.7868/S0370274X16040044
(Mi jetpl4866)
 

PLASMA, HYDRO- AND GAS DYNAMICS

On real statistics of relaxation in gases

Yu. E. Kuzovlev

Donetsk Free Statistical Physics Laboratory, Donetsk Institute for Physics and Engineering, National Academy of Sciences of Ukraine, 83114, Donetsk, Ukraine
References:
Abstract: By example of a particle interacting with ideal gas, it is shown that the statistics of collisions in statistical mechanics at any value of the gas rarefaction parameter qualitatively differ from that conjugated with Boltzmann's hypothetical molecular chaos and kinetic equation. In reality, the probability of collisions of the particle in itself is random. Because of that, the relaxation of particle velocity acquires a power-law asymptotic behavior. An estimate of its exponent is suggested on the basis of simple kinematic reasons.
Received: 10.12.2015
English version:
Journal of Experimental and Theoretical Physics Letters, 2016, Volume 103, Issue 4, Pages 234–237
DOI: https://doi.org/10.1134/S0021364016040093
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: Yu. E. Kuzovlev, “On real statistics of relaxation in gases”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:4 (2016), 258–262; JETP Letters, 103:4 (2016), 234–237
Citation in format AMSBIB
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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