title: Mode-coupling-induced dissipative and thermal effects at long times after a quantum quench.
abstract: An interaction quench in a Luttinger liquid can drive it into an athermal steady state. We analyze the effects on such an out of equilibrium state of a mode coupling term due to a periodic potential. Employing a perturbative renormalization group approach we show that even when the periodic potential is an irrelevant perturbation in equilibrium, it has important consequences on the athermal steady state as it generates a temperature as well as a dissipation and hence a finite lifetime for the bosonic modes.
authors: Department of Physics, New York University, 4 Washington Place, New York, New York 10003, USA.
authors: Aditi
authors: A
authors: Mitra
authors: Thierry
authors: T
authors: Giamarchi