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

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

2011-07-21

arxiv.org/abs/1107.4174v1

Physics

Condensed Matter

Strongly Correlated Electrons

4pages, 2 figures

Scientific paper

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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