One-dimensional spin-1/2 XY models as test for methods in the spin system theory

被引：0
|
作者：
Derzhko, O
Verkholyak, T
机构：
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 1997年 / 200卷 / 01期
关键词：
D O I：
10.1002/1521-3951(199703)200:1<255::AID-PSSB255>3.0.CO;2-#
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The average density of states that determines the thermodynamic properties is calculated analytically and numerically for two random versions of the one-dimensional spin-1/2 XY model. The exact results obtained are compared with the results derived within some well-known approximate approaches that permits to understand the region of their validity.
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页码：255 / 263
页数：9
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