Open AccessThe Transition to Equilibrium in a System with Gravitationally Interacting Particles. I. Temperature Relaxation
Author(s) -
A. M. Boichenko,
М. С. Кленовский
Publication year - 2021
Publication title -
physical science international journal
Language(s) - English
Resource type - Journals
ISSN - 2348-0130
DOI - 10.9734/psij/2021/v25i630263
Subject(s) - statistical physics , relaxation (psychology) , distribution function , canonical ensemble , physics , coulomb , statistical mechanics , distribution (mathematics) , function (biology) , thermodynamic equilibrium , boltzmann distribution , classical mechanics , thermodynamics , quantum mechanics , mathematics , monte carlo method , mathematical analysis , statistics , psychology , social psychology , evolutionary biology , biology , electron
The distribution function of systems in equilibrium must have the canonical form of the Gibbs distribution. To substantiate this behavior of systems, attempts have been made for more than 100 years to involve their mechanical behavior. In other words, it seems that a huge number of particles of the medium as a result of interaction with each other according to dynamic laws, is able to explain the statistical behavior of systems during their transition to equilibrium. Modeling of gravitationally interacting particles is carried out and it is shown that in this case, the distribution function does not evolve to the canonical form. Earlier, the same results were obtained for classical Coulomb plasma. On the other hand, such a statistical effect as relaxation is well described by the dynamic behavior of the system, and the simulation data are in agreement with the known theoretical results obtained in various statistical approaches.