Quantum Transfer Matrix Approach to Dynamical Correlation Functions for the Transverse Ising Chain

被引：1

作者：

Inoue, Makoto ^{[1
]}

机构：

[1] Tokyo Denki Univ, Div Sci, Saitama 3500394, Japan

来源：

PROGRESS OF THEORETICAL PHYSICS | 2011年 / 125卷 / 03期

关键词：

TIME-CORRELATION-FUNCTIONS; STATISTICAL-MECHANICS; CORRELATION LENGTH; SPIN-CORRELATION; FREE-ENERGY; MODEL; SYSTEMS;

D O I：

10.1143/PTP.125.491

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Quantum Transfer Matrix method based on the Suzuki-Trotter formulation is applied to dynamical problems. The autocorrelation functions of the Transverse Ising chain are derived by this method as an example. The Trotter-directional correlation functions are interpreted as a Matsubara's temperature Green function, so that the analytic continuation of the Green functions yields the desired autocorrelation functions.

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页码：491 / 507

页数：17

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