Title:Dynamical mechanisms leading to equilibration in two-component gases 

Abstract:
Demonstrating how microscopic dynamics cause large systems to approach 
thermal equilibrium remains an elusive, longstanding, and actively-pursued 
goal of statistical mechanics. We identify here a dynamical mechanism 
for thermalization in a general class of two-component gases, and prove 
that each component, even when maintained in a non-equilibrium state 
itself, can drive the other to a thermal state with a well-defined 
effective temperature.