Quantum Monte Carlo determinantal algorithm without Hubbard-Stratonovich transformation: a general consideration

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dc.creatorRubtsov, A. N.
dc.date2003-02-12
dc.date.accessioned2026-07-07T02:49:39Z
dc.date.available2026-07-07T02:49:39Z
dc.descriptionContinuous-time determinantal algorithm is proposed for the quantum Monte Carlo simulation of the interacting fermions. The scheme does not invoke Hubbard-Stratonovich transformation. The fermionic action is divided into two parts. One of them contains the interaction and certain additional terms; another one is purely Gaussian. The first part is considered as a perturbation. Terms of the series expansion for the partition function are generated in a random walk process. The sign problem and the complexity of the algorithm are analyzed. We argue that the scheme should be useful particularly for the systems with non-local interaction.
dc.description5 Pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0302228
dc.identifierhttp://arxiv.org/abs/cond-mat/0302228
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20878
dc.subjectStrongly Correlated Electrons
dc.titleQuantum Monte Carlo determinantal algorithm without Hubbard-Stratonovich transformation: a general consideration
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