We prove diffusive behaviour of the energy fluctuations in a system of harmonic oscillators with a stochastic perturbation of the dynamics that conserves energy and momentum. The results concern pinned systems or lattice dimension $d\ge 3$, where the thermal diffusivity is finite.no
The heat equation is known to be a macroscopic phenomenon, emerging after a diffusive rescaling of s...
The heat equation is known to be a macroscopic phenomenon, emerging after a diffusive rescaling of s...
Accepted for the publication in Probability Theory and Related FieldsInternational audienceWe study ...
We study the energy diffusion in a chain of anharmonic oscillators where the Hamiltonian dynamics is...
We consider a one dimensional infinite chain of harmonic oscillators whose dynamics is perturbed by ...
International audienceThese notes are based on a mini-course given during the conference Particle sy...
I review here some recent result on the thermal conductivity of chains of oscillators whose hamilt...
Abstract. I review here some recent result on the thermal conductivity of chains of oscillators whos...
We investigate the harmonic chain forced by a multiplicative noise, the evolution is given by an inf...
We introduce a class of stochastic weakly coupled map lattices, as models for studying heat conducti...
Accepted for the publication in Probability Theory and Related FieldsInternational audienceWe study ...
One major correction has been done. An author has been addedWe investigate the macroscopic behavior ...
We study both numerically and analytically some simple Hamiltonian systems perturbed by a random noi...
International audienceWe consider a chain of weakly harmonic coupled oscillators perturbed by a cons...
We investigate the diffusive properties of energy fluctuations in a one-dimensional diatomic chain...
The heat equation is known to be a macroscopic phenomenon, emerging after a diffusive rescaling of s...
The heat equation is known to be a macroscopic phenomenon, emerging after a diffusive rescaling of s...
Accepted for the publication in Probability Theory and Related FieldsInternational audienceWe study ...
We study the energy diffusion in a chain of anharmonic oscillators where the Hamiltonian dynamics is...
We consider a one dimensional infinite chain of harmonic oscillators whose dynamics is perturbed by ...
International audienceThese notes are based on a mini-course given during the conference Particle sy...
I review here some recent result on the thermal conductivity of chains of oscillators whose hamilt...
Abstract. I review here some recent result on the thermal conductivity of chains of oscillators whos...
We investigate the harmonic chain forced by a multiplicative noise, the evolution is given by an inf...
We introduce a class of stochastic weakly coupled map lattices, as models for studying heat conducti...
Accepted for the publication in Probability Theory and Related FieldsInternational audienceWe study ...
One major correction has been done. An author has been addedWe investigate the macroscopic behavior ...
We study both numerically and analytically some simple Hamiltonian systems perturbed by a random noi...
International audienceWe consider a chain of weakly harmonic coupled oscillators perturbed by a cons...
We investigate the diffusive properties of energy fluctuations in a one-dimensional diatomic chain...
The heat equation is known to be a macroscopic phenomenon, emerging after a diffusive rescaling of s...
The heat equation is known to be a macroscopic phenomenon, emerging after a diffusive rescaling of s...
Accepted for the publication in Probability Theory and Related FieldsInternational audienceWe study ...
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