Luttinger liquid properties of the steady state after a quantum quench

Article

关键词: MATRIX RENORMALIZATION-GROUP;    BOUNDARIES;    SYSTEMS;    GAS;   

DOI  :  10.1103/PhysRevB.88.165131

来源: SCIE

【 摘 要 】

We study the dynamics resulting from an abrupt change of the two-particle interaction in two models of closed one-dimensional Fermi systems: (a) the field theoretical Tomonaga-Luttinger model and (b) a microscopic lattice model. Using a nonperturbative approach which is controlled for small two-particle interactions, we are able to reach large times allowing us to access the properties of the steady state of the lattice model. Comparing those to the exact solution of the full dynamics in the Tomonaga-Luttinger model, we provide evidence for universal Luttinger liquid behavior.

【 授权许可】

Free