Abstract
The stochastic dynamics for point particles that corresponds to the Boltzmann equation with arbitrary differential scattering cross section is constructed. We derive the stochastic Boltzmann hierarchy the solutions of which outside the hyperplanes of lower dimension where the point particles interact are equal to the product of one-particle correlation functions, provided that the initial correlation functions are products of one-particle correlation functions. A one-particle correlation function satisfies the Boltzmann equation. The Kac dynamics in the momentum space is obtained.
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Published in Ukrains’kyi Matematychnyi Zhurnal, Vol. 56, No. 12, pp. 1629–1653, December, 2004.
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Lampis, M., Petrina, D.Y. Stochastic Dynamics and Hierarchy for the Boltzmann Equation with Arbitrary Differential Scattering Cross Section. Ukr Math J 56, 1932–1960 (2004). https://doi.org/10.1007/s11253-005-0160-4
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DOI: https://doi.org/10.1007/s11253-005-0160-4