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Large-scale and long-term correlations in collective motions of atoms of liquid argon. Computer simulation

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Abstract

The correlation coefficients of displacements of pairs of neighboring particles located in spheres of a given radius have been studied within the molecular dynamics models of liquid argon including 50000 and 500000 atoms. Atoms separated by distances of about ten diameters from each other are correlated and correlations last nanoseconds. A size effect has been revealed: correlations increase with the size of the model. All these properties indicate that mesoscopic supramolecular structures exist in a liquid.

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Authors and Affiliations

  1. Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    A. V. Anikeenko & Yu. I. Naberukhin

  2. Novosibirsk State University, Novosibirsk, 630090, Russia

    A. V. Anikeenko & Yu. I. Naberukhin

Authors
  1. A. V. Anikeenko
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  2. Yu. I. Naberukhin
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Correspondence to Yu. I. Naberukhin.

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Original Russian Text © A.V. Anikeenko, Yu.I. Naberukhin, 2017, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 106, No. 5, pp. 269–274.

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Anikeenko, A.V., Naberukhin, Y.I. Large-scale and long-term correlations in collective motions of atoms of liquid argon. Computer simulation. Jetp Lett. 106, 290–294 (2017). https://doi.org/10.1134/S0021364017170064

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  • DOI: https://doi.org/10.1134/S0021364017170064

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