Abstract
In Aquilanti, Lombardi, and Sevryuk, J. Chem. Phys. 2004, V. 121, No. 12, P. 5579 and Sevryuk, Lombardi, and Aquilanti, Phys. Rev. A. 2005, V. 72, No. 3, P. 033201, we defined several partitions of the total kinetic energy of a system of classical particles into terms corresponding to various motion modes. In this work, we study the statistics of these terms for clusters with the number of particles N from 3 to 100 (at randomly selected particle coordinates and velocities). Some new kinetic energy components are defined and studied. Two limiting situations are considered, those of particles of equal masses and particles whose masses vary randomly. With equal masses, the mean values of almost all cluster kinetic energy components are expressed in terms of N with the use of very simple equations.
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Original Russian Text © V. Aquilanti, A. Lombardi, M.B. Sevryuk, 2008, published in Khimicheskaya Fizika, 2008, Vol. 27, No. 11, pp. 69–86.
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Aquilanti, V., Lombardi, A. & Sevryuk, M.B. Statistics of partitions of the kinetic energy of small nanoclusters. Russ. J. Phys. Chem. B 2, 947–963 (2008). https://doi.org/10.1134/S1990793108060134
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DOI: https://doi.org/10.1134/S1990793108060134