Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Cluster-Spin Quantum Monte Carlo Study of One-Dimensional Heisenberg Model
Yutaka OkabeMacoto Kikuchi
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1987 Volume 56 Issue 6 Pages 1963-1973

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Abstract

The cluster-spin decomposition method is studied for the quantum Monte Carlo simulation based on the Suzuki-Trotter formula. A new vectorized algorithm for the speed-up of the calculation is implemented. We investigate the one-dimensional ferromagnetic and antiferromagnetic Heisenberg models, paying attention to the cluster size of decomposition.

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