Spin correlation function of theS=1antiferromagnetic Heisenberg chain by the large-cluster-decomposition Monte Carlo method

K. Nomura

doi:10.1103/physrevb.40.2421

Abstract

We calculate correlation functions of a one-dimensional spin S=1 antiferromagnetic Heisenberg model by the large-cluster-decomposition Monte Carlo method. We find that the correlation functions are well approximated by modified Bessel functions. This result supports Haldane's conjecture, and the correlation length agrees with that obtained from spin-wave theory using elementary excitation data.

Keywords

PhysicsMonte Carlo methodAntiferromagnetismHeisenberg modelCorrelation function (quantum field theory)Quantum Monte CarloSpin (aerodynamics)Bessel functionWave functionCluster (spacecraft)Statistical physicsQuantum mechanicsMathematicsStatistics

Affiliated Institutions

The University of Tokyo JP

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Publication Info

Year: 1989
Type: article
Volume: 40
Issue: 4
Pages: 2421-2425
Citations: 94
Access: Closed

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APA Style

                            
                                    K. Nomura
                                
                            (1989). 
                            Spin correlation function of the<i>S=1</i>antiferromagnetic Heisenberg chain by the large-cluster-decomposition Monte Carlo method. 
                            Physical review. B, Condensed matter
                            , 40
                            (4)
                            , 2421-2425.
                            https://doi.org/10.1103/physrevb.40.2421

Identifiers

DOI: 10.1103/physrevb.40.2421