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KIAM Preprint № 89, Moscow, 2020
Authors: Dudnikova T.V.
Space-time statistical solutions for the Hamiltonian field-crystal system
We consider the dynamics of a scalar field coupled to a harmonic crystal with n components in dimension d, d,n≥1. The dynamics of the system is translation-invariant with respect to the discrete subgroup Zd of Rd. We study the Cauchy problem with random initial data. We assume that the initial measure has a finite mean energy density and the initial correlation functions are translation invariant with respect to the subgroup Zd. We prove the convergence of space-time statistical solutions to a Gaussian measure.
the harmonic crystal coupled to a scalar field, Cauchy problem, random initial data, space-time statistical solutions, weak convergence of measures
Publication language: english,  pages: 20
Research direction:
Mathematical problems and theory of numerical methods
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About authors:
  • Dudnikova Tatiana Vladimirovna, RAS