Short-time critical dynamics for the transverse ising model.
We have analyzed the short-time critical behavior for the one-dimensional quantum transverse Ising model through Monte Carlo simulations at zero temperature. We used the scaling relation for the dynamics at the early time stages in order to obtain the static critical exponents (beta,nu) and the dynamical critical exponent z for this model. While the values found for the static exponents are in agreement with the exact ones, here, the dynamical critical exponent is found for a quantum spin model.
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Departamento de Física, Universidade Federal de Santa Catarina, 88040-900 Florianópolis, SC, Brazil. marcio@fiscia.ufsc.br