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We present a new type of cluster algorithm that strongly reduces critical slowing down in simulations of vertex models. Since the clusters are closed paths of bonds, we call it the loop algorithm. The basic steps in constructing a cluster are the break-up and the freezing of vertices. We concentrate on the case of the F model, which is a subset of the(More)
We adapt the VMR (valleys-to-mountains reflections) algorithm, originally devised by us for simulations of SOS models, to the BCSOS model. It is the first time that a cluster algorithm is used for a model with constraints. The performance of this new algorithm is studied in detail in both phases of the model, including a finite size scaling analysis of the(More)
Ubiali D.G., Cruz R.A.S., Lana M.V.C., Meireles Y.S., Néspoli P.B., Souza M.A., Colodel E.M. & Pescador C.A. 2011. Spinal cord compression in cattle after the use an oily vaccine. Pesquisa Veterinária Brasileira 31(11):997-999. Laboratório de Patologia Veterinária, Faculdade de Agronomia e Medicina Veterinária, Universidade Federal de Mato Grosso, Av.(More)
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