Quantum Monte Carlo Algorithm Based on Two-Body Density Functional Theory for Fermionic Many-Body Systems: Application to 3He

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dc.creatorHetenyi, Balazs
dc.creatorBrualla, L.
dc.creatorFantoni, S.
dc.date2005-03-03
dc.date2006-09-30
dc.date.accessioned2026-07-07T09:53:34Z
dc.date.available2026-07-07T09:53:34Z
dc.descriptionWe construct a quantum Monte Carlo algorithm for interacting fermions using the two-body density as the fundamental quantity. The central idea is mapping the interacting fermionic system onto an auxiliary system of interacting bosons. The correction term is approximated using correlated wave functions for the interacting system, resulting in an effective potential that represents the nodal surface. We calculate the properties of 3He and find good agreement with experiment and with other theoretical work. In particular, our results for the total energy agree well with other calculations where the same approximations were implemented but the standard quantum Monte Carlo algorithm was used
dc.description4 pages, 3 figures, 1 table
dc.identifierhttps://arxiv.org/abs/cond-mat/0503083
dc.identifierhttp://arxiv.org/abs/cond-mat/0503083
dc.identifierPhysical Review Letters 93, 170202 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.170202
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/166002
dc.subjectStatistical Mechanics
dc.titleQuantum Monte Carlo Algorithm Based on Two-Body Density Functional Theory for Fermionic Many-Body Systems: Application to 3He
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