Luttinger liquid properties of the steady state after a quantum quench

被引：39

作者：

Kennes, D. M. ^{[1
]}

Meden, V.

机构：

[1] Rhein Westfal TH Aachen, Inst Theorie Stat Phys, D-52056 Aachen, Germany

来源：

PHYSICAL REVIEW B | 2013年 / 88卷 / 16期

关键词：

MATRIX RENORMALIZATION-GROUP; BOUNDARIES; SYSTEMS; GAS;

D O I：

10.1103/PhysRevB.88.165131

中图分类号：

T [工业技术];

学科分类号：

08 ;

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.

引用

页数：8

共 46 条

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