Effective temperatures out of equilibrium

TL;DR

This paper explores the concept of effective temperatures in nonequilibrium systems, focusing on the violation of the fluctuation-dissipation theorem and its implications for understanding system dynamics.

Contribution

It provides an analysis of effective temperatures in nonequilibrium systems, highlighting the violation of fluctuation-dissipation theorem and discussing analytical tools used in this context.

Findings

Violation of fluctuation-dissipation theorem in nonequilibrium systems

Relation between effective temperatures and system dynamics

Analytical tools for studying nonequilibrium behavior

Abstract

We describe some interesting effects observed during the evolution of nonequilibrium systems, using domain growth and glassy systems as examples. We breafly discuss the analytical tools that have been recently used to study the dynamics of these systems. We mainly concentrate on one of the results obtained from this study, the violation of the fluctuation-dissipation theorem and we discuss, in particular, its relation to the definition and measurement of effective temperatures out of equilibrium.