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

• Author(s): Gonçalves, Patrícia ; Bernardin, Cédric
• Date: 2013
• Persistent ID: http://hdl.handle.net/1822/23517
• Origin: RepositóriUM - Universidade do Minho
• Subject(s): Anomalous diffusion; Kac Van Moerbec model; Supperdifusion
• Document Type: Article
• Language: English

Description

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.