Application of polynomial-expansion Monte Carlo method to a spin-ice Kondo lattice model

被引：2
|
作者：
Ishizuka, Hiroaki [1 ]
Udagawa, Masafumi [1 ]
Motome, Yukitoshi [1 ]
机构：
[1] Univ Tokyo, Dept Appl Phys, Tokyo 1138654, Japan
来源：
26TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT26), PTS 1-5 | 2012年 / 400卷
关键词：
PHASE;
D O I：
10.1088/1742-6596/400/3/032027
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present the results of Monte Carlo simulation for a Kondo lattice model in which itinerant electrons interact with Ising spins with spin-ice type easy-axis anisotropy on a pyrochlore lattice. We demonstrate the efficiency of the truncated polynomial expansion algorithm, which enables a large scale simulation, in comparison with a conventional algorithm using the exact diagonalization. Computing the sublattice magnetization, we show the convergence of the data with increasing the number of polynomials and truncation distance.
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页数：4
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