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Processos estocásticos de reação e difusão na rede e cadeias quânticas
(Universidade Federal de São Carlos, 2000-06-02) Mendonça, José Ricardo Gonçalves de; Alcaraz, Francisco Castilho; https://lattes.cnpq.br/9538405812117662; https://lattes.cnpq.br/8792749813872106
In this work we investigate some reaction-difusion stochastic processes on the lattice. In particular, we determine the universality classes of critical behavior of a nonequilibrium surface growth process and of the basic contact process. Our main tools of investigation are exact numerical diagonalizations and finite-size scaling ideas. We also present an application of the Bethe ansatz in the exact diagonalization of the infinitesimal generator of a di_usion process of particles without exclusion known as the zero range process.