A FINITE SIZE ANALYSIS OF THE STRUCTURE FACTOR IN THE ANTIFERROMAGNETIC HEISENBERG (AFH) MODEL

被引:11
作者
KARBACH, M
MUTTER, KH
机构
[1] Fachbereich 8-Abteilung für Physik, Bergische Universität-GHS, Wuppertal, W-5600
来源
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER | 1993年 / 90卷 / 01期
关键词
D O I
10.1007/BF01321037
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
From a finite size analysis we extract the structure factor S(p, N = infinity) of the one dimensional AFH-model in the groundstate: The 'gross' structure is well described by L (p)= -ln(1-pi(p)). The 'fine' structure which only contributes a few percent reveals a pronounced nonlinear behavior in L (p) with a maximum at p=0.20pi and a minimum at p=0.82pi.
引用
收藏
页码:83 / 87
页数:5
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