INTEGRO-DIFFERENCE EQUATION FOR A CORRELATION-FUNCTION OF THE SPIN-1/2 HEISENBERG XXZ CHAIN

被引：16
|
作者：
ESSLER, FHL
FRAHM, H
ITS, AR
KOREPIN, VE
机构：
[1] UNIV HANNOVER, INST THEORET PHYS, D-30167 HANNOVER, GERMANY
[2] INDIANA UNIV PURDUE UNIV, DEPT MATH SCI, INDIANAPOLIS, IN 46202 USA
[3] SUNY STONY BROOK, INST THEORET PHYS, STONY BROOK, NY 11794 USA
来源：
NUCLEAR PHYSICS B | 1995年 / 446卷 / 03期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0550-3213(95)00263-R
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We consider the Ferromagnetic-String-Formation-Probability correlation function (FSFP) for the spin-1/2 Heisenberg XXZ chain. We construct a completely integrable system of integro- difference equations (IDE), which has the FSFP as a tau-function. We derive the associated Riemann-Hilbert problem and obtain the long-distance asymptotics of the FSFP correlator in some limiting cases.
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页码：448 / 460
页数：13
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