Abstract
The forward-walking Green's Function Monte Carlo method is used to
compute expectation values for the transverse Ising model in (1 +
1)D, and the results are compared with exact values. The
magnetisation Mz and the
correlation function p z
(n) are computed. The algorithm reproduces the exact
results, and convergence for the correlation functions seems almost as rapid
as for local observables such as the magnetisation. The results are found to
be sensitive to the trial wavefunction, however, especially at the critical
point.
Subject
General Physics and Astronomy
Cited by
5 articles.
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