Stochastic gradient approximation method applied to Hubbard model

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dc.creatorHarju, A.
dc.date2001-01-31
dc.date.accessioned2026-07-07T02:40:14Z
dc.date.available2026-07-07T02:40:14Z
dc.descriptionThe two-dimensional Hubbard model is studied using the variational quantum Monte Carlo technique with Gutzwiller-type variational wave functions. In addition to the simple one-site correlated Gutzwiller wave function, we use a form with correlation between electrons on nearest- and next-nearest-neighbor sites. We show that the stochastic gradient approximation method suits very well for the optimization of the free parameters of the variational wave functions.
dc.description5 pages, 4 Postscript figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0101465
dc.identifierhttp://arxiv.org/abs/cond-mat/0101465
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/17309
dc.subjectStrongly Correlated Electrons
dc.titleStochastic gradient approximation method applied to Hubbard model
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