Quantum Monte Carlo study on magnetization processes

被引：9
|
作者：
Onishi, H
Nishino, M
Kawashima, N
Miyashita, S
机构：
[1] Osaka Univ, Grad Sch Sci, Dept Earth & Space Sci, Toyonaka, Osaka 5600043, Japan
[2] Osaka Univ, Grad Sch Sci, Dept Chem, Toyonaka, Osaka 5600043, Japan
[3] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1999年 / 68卷 / 08期
关键词：
quantum Monte Carlo method; magnetization process; loop algorithm; global flip;
D O I：
10.1143/JPSJ.68.2547
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A quantum Monte Carlo method combining update of the loop algorithm with the global flip of the world line is proposed as an efficient method for studying the magnetization process in an external field, which has been difficult because of inefficiency of the update of the total magnetization. The method is demonstrated in the one dimensional antiferromagnetic Heisenberg model and the trimer model. Wie attempted various other Monte Carlo algorithms to study systems in the external field and compared their efficiency.
引用
收藏
页码：2547 / 2552
页数：6
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