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Elsevier eBooks

HOW MICROSCOPIC BOSON MODELS WORK

E.R. Marshalek

Published Jan 1, 1980• 1 citation
Publisher
DOI
10.1016/b978-0-444-56392-7.50018-6

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We examine the application of the Variational Monte Carlo (VMC) method to a cluster model for halo nuclei. Particular attention is paid to the error estimate in the presence of correlations in the underlying random walk. We analyse the required steps for a reliable application of the VMC in the case of a complicated many-body problem such as the direct solution of the nuclear hamiltonian with realistic interactions. We also examine the possibility of variance reduction through the `zero variance principle', paying particular attention to the complexity of the many-body problem.