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Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 102, Issue 10, Pages 745–751 (Mi jetpl4790)  

This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Analysis of phase transitions in two-dimensional Coulomb clusters by the dynamic entropy method

K. G. Koss, M. I. Myasnikov, O. F. Petrov, K. B. Statsenko

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: The dynamics of two-dimensional clusters consisting of 7 and 18 particles whose interaction is described by a screened Coulomb potential has been numerically simulated by the Langevin molecular dynamics method. With the use of the data obtained for the displacements and velocities of particles, the functions of the “mean first-passage time” dynamic entropy have been obtained for clusters having different kinetic temperatures close to the conditions of laboratory experiments with macroparticles in a gas-discharge plasma. Three phase states of the small systems under consideration—crystal, liquid, and transient—have been observed. A mechanism of phase transitions under consideration has been described. The method proposed to analyze the dynamics of systems can be used for extremely small structures.

Funding Agency Grant Number
Russian Science Foundation 14-12-01440


DOI: https://doi.org/10.7868/S0370274X15220051

Full text: PDF file (1151 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2015, 102:10, 655–661

Bibliographic databases:

Received: 11.08.2015
Revised: 16.09.2015

Citation: K. G. Koss, M. I. Myasnikov, O. F. Petrov, K. B. Statsenko, “Analysis of phase transitions in two-dimensional Coulomb clusters by the dynamic entropy method”, Pis'ma v Zh. Èksper. Teoret. Fiz., 102:10 (2015), 745–751; JETP Letters, 102:10 (2015), 655–661

Citation in format AMSBIB
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\paper Analysis of phase transitions in two-dimensional Coulomb clusters by the dynamic entropy method
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
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\vol 102
\issue 10
\pages 745--751
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Bessaa A., Djebli M., Phys. Plasmas, 23:11 (2016), 113703  crossref  isi  scopus
  • Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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