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.

引用

页数：4

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