Anomalous fluctuations for a perturbed Hamiltonian system with exponential inte...

• Autor(es): Gonçalves, Patrícia ; Bernardin, Cédric
• Data: 2013
• Identificador Persistente: http://hdl.handle.net/1822/23517
• Origem: RepositóriUM - Universidade do Minho
• Assunto(s): Anomalous diffusion; Kac Van Moerbec model; Supperdifusion
• Tipo de Documento: Artigo
• Idioma: Inglês

Descrição

A one-dimensional Hamiltonian system with exponential interactions perturbed by a conservative noise is considered. It is proved that energy superdiffuses and upper and lower bounds describing this anomalous diffusion are obtained.