Second order Boltzmann-Gibbs principle for polynomial functions and applications

Abstract : In this paper we give a new proof of the second order Boltzmann-Gibbs principle. The proof does not impose the knowledge on the spectral gap inequality for the underlying model and it relies on a proper decomposition of the antisymmetric part of the current of the system in terms of polynomial functions. In addition, we fully derive the convergence of the equilibrium fluctuations towards 1) a trivial process in case of supper-diffusive systems, 2) an Ornstein-Uhlenbeck process or the unique energy solution of the stochastic Burgers equation, in case of weakly asymmetric diffusive systems. Examples and applications are presented for weakly and partial asymmetric exclusion processes, weakly asymmetric speed change exclusion processes and hamiltonian systems with exponential interactions.
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Submitted on : Friday, October 14, 2016 - 4:19:50 PM
Last modification on : Thursday, March 28, 2019 - 3:18:28 PM

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Patricia Gonçalves, Milton Jara, Marielle Simon. Second order Boltzmann-Gibbs principle for polynomial functions and applications. Journal of Statistical Physics, Springer Verlag, 2017, ⟨10.1007/s10955-016-1686-6⟩. ⟨hal-01381009⟩

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