Failure of the local generalized Gibbs ensemble for integrable models with bound states

被引：66

作者：

Goldstein, Garry ^{[1
]}

Andrei, Natan ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Phys, Piscataway, NJ 08854 USA

来源：

PHYSICAL REVIEW A | 2014年 / 90卷 / 04期

基金：

美国国家科学基金会;

关键词：

SYSTEM; EQUILIBRIUM; RELAXATION; DYNAMICS; GAS;

D O I：

10.1103/PhysRevA.90.043625

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this work we study the applicability of the local generalized Gibbs ensemble (GGE) to integrable one-dimensional systems with bound states. We find that the GGE, when defined using only local conserved quantities, fails to describe the long-time dynamics for most initial states, including eigenstates. We present our calculations by studying the attractive Lieb-Liniger gas and the XXZ magnet, although similar results may be obtained for other models.

引用

页数：5

共 33 条

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