Nested cluster algorithm for frustrated quantum antiferromagnets

M. Nyfeler; F. J. Jiang; F. Kämpfer; U. J. Wiese

doi:10.1103/PhysRevLett.100.247206

Nested cluster algorithm for frustrated quantum antiferromagnets

M. Nyfeler^*
, F. J. Jiang
, F. Kämpfer
, U. J. Wiese

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

Frustrated antiferromagnets are important materials whose quantum Monte Carlo simulation suffers from a severe sign problem. We construct a nested cluster algorithm which uses a powerful strategy to address this problem. For the spin 12 Heisenberg antiferromagnet on a kagome and on a frustrated square lattice the sign problem is eliminated for large systems. The method is applicable to general lattice geometries but limited to moderate temperatures.

Original language	English
Article number	247206
Journal	Physical Review Letters
Volume	100
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.100.247206
Publication status	Published - 2008 Jun 19
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.100.247206

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abstract = "Frustrated antiferromagnets are important materials whose quantum Monte Carlo simulation suffers from a severe sign problem. We construct a nested cluster algorithm which uses a powerful strategy to address this problem. For the spin 12 Heisenberg antiferromagnet on a kagome and on a frustrated square lattice the sign problem is eliminated for large systems. The method is applicable to general lattice geometries but limited to moderate temperatures.",

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AB - Frustrated antiferromagnets are important materials whose quantum Monte Carlo simulation suffers from a severe sign problem. We construct a nested cluster algorithm which uses a powerful strategy to address this problem. For the spin 12 Heisenberg antiferromagnet on a kagome and on a frustrated square lattice the sign problem is eliminated for large systems. The method is applicable to general lattice geometries but limited to moderate temperatures.

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Nested cluster algorithm for frustrated quantum antiferromagnets

Abstract

ASJC Scopus subject areas

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