Monte Carlo algorithm for the double exchange model optimized for parallel computations

被引：16
|
作者：
Furukawa, N [1 ]
Motome, Y
Nakata, H
机构：
[1] Aoyama Gakuin Univ, Dept Phys, Tokyo 1578572, Japan
[2] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki, Japan
[3] Aoyama Gakuin Univ, Sci & Engn Res Ctr, Tokyo 1578572, Japan
来源：
COMPUTER PHYSICS COMMUNICATIONS | 2001年 / 142卷 / 1-3期
关键词：
double exchange model; Monte Carlo method; moment expansion algorithm; parallel computation;
D O I：
10.1016/S0010-4655(01)00376-9
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A new algorithm for Monte Carlo calculation of the double exchange model is studied. The algorithm is commonly applicable to wide classes of strongly correlated electron systems which involve itinerant electrons coupled with thermodynamically fluctuating fields. Using moment expansions of the density of states with Chebyshev polynomials. the algorithm provides an efficient calculation on large size clusters, especially on parallel computers. Benchmark calculations are performed on Beowulf-type cluster systems with over 100 CPUs in parallel. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：410 / 413
页数：4
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