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Relative motions in atomic fluids: A molecular dynamics investigation

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  • Balucani, U.
  • Vallauri, R.

Abstract

The generalized time-dependent pair distribution function G2(R, R'; t) is examined for the first time by two molecular dynamics experiments in Lennard-Jones argon at room temperature and different densities. This function gives insight into the relative motion of atoms and plays an important role in all collision-induced phenomena. The results stress the features of G2 at intermediate and long times; in the latter case they are found to be in agreement with a simple theoretical model. The behavior of some physical quantities dependent on the relative motion of atoms is also discussed.

Suggested Citation

  • Balucani, U. & Vallauri, R., 1980. "Relative motions in atomic fluids: A molecular dynamics investigation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 102(1), pages 70-86.
    • Handle: RePEc:eee:phsmap:v:102:y:1980:i:1:p:70-86
    DOI: 10.1016/0378-4371(80)90061-8
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    References listed on IDEAS

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    1. Gharbi, A. & Le Duff, Y., 1978. "Line shape of the collision-induced scattering in CF4," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 90(3), pages 619-625.
    2. Oppenheim, Felix E., 1971. "Comment: Defense of Noncognitivism Defended," American Political Science Review, Cambridge University Press, vol. 65(4), pages 1115-1116, December.
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