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Artículo
Memory effects in the relaxation of ising models
(IOP Publishing Ltd., 2002)
It is analytically shown that the one-dimensional Ising model with Glauber dynamics exhibits short-time memory effects when submitted to an abrupt change in temperature. These effects are qualitatively similar to those ...
Artículo
Transversal inhomogeneities in dilute vibrofluidized granular fluids
(American Physical Society, 2002)
The spontaneous symmetry breaking taking place in the direction perpendicular to the energy flux in a dilute vibrofluidized granular system is investigated, using both a hydrodynamic description and simulation methods. The ...
Artículo
Anharmonic double-phonon excitations in the interacting boson model
(American Physical Society, 2002-12-01)
Double−γ vibrations in deformed nuclei are analyzed in the context of the interacting boson model. A simple extension of the original version of the model towards higher-order interactions is required to explain the observed ...