Physics – Condensed Matter – Quantum Gases
Scientific paper
2010-03-26
Phys. Rev. A, 80, 063619 (2009)
Physics
Condensed Matter
Quantum Gases
16 pages, 3 figures
Scientific paper
10.1103/PhysRevA.80.063619
The dynamics of the Luttinger model after a quantum quench is studied. We compute in detail one and two-point correlation functions for two types of quenches: from a non-interacting to an interacting Luttinger model and vice-versa. In the former case, the non-interacting Fermi gas features in the momentum distribution and other correlation functions are destroyed as time evolves. In the infinite-time limit, equal-time correlations are power-laws but the critical exponents are found to differ from their equilibrium values. In all cases, we find that these correlations are well described by a generalized Gibbs ensemble [M. Rigol et al., Phys. Rev. Lett. 98, 050405 (2007)], which assigns a momentum dependent temperature to each eigenmode.
Cazalilla Miguel A.
Iucci Aníbal
No associations
LandOfFree
Quantum quench dynamics of the Luttinger model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Quantum quench dynamics of the Luttinger model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantum quench dynamics of the Luttinger model will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-182767