Mode-Coupling-Induced Dissipative and Thermal Effects at Long Times after a Quantum Quench

Journal Article · Fri Oct 07 00:00:00 EDT 2011 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.107.150602· OSTI ID:21612145

Mitra, Aditi ^[1]; Giamarchi, Thierry ^[2]

---

1. Department of Physics, New York University, 4 Washington Place, New York, New York 10003 (United States)
2. DPMC-MaNEP, University of Geneva, 24 Quai Ernest-Ansermet, CH-1211 Geneva (Switzerland)

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.

• OSTI ID: 21612145
• Journal Information: Physical Review Letters, Vol. 107, Issue 15; Other Information: DOI: 10.1103/PhysRevLett.107.150602; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
DISTURBANCES
EQUILIBRIUM
LIFETIME
PERIODICITY
PERTURBATION THEORY
POTENTIALS
QUANTUM MECHANICS
RENORMALIZATION
STEADY-STATE CONDITIONS
TEMPERATURE DEPENDENCE
MECHANICS
VARIATIONS