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cond-mat1999
A measure of conductivity for lattice fermions at finite density
J. L. Alonso, L. A. Fernandez, V. Martin-Mayor
We study the linear response to an external electric field of a system of fermions in a lattice at zero temperature. This allows to measure numerically the Euclidean conductivity w…
cond-mat1995★ 48 cited
A Monte Carlo study of O(3) antiferromagnetic models in three dimensions
J. L. Alonso, A. Tarancon, H. G. Ballesteros +3
We study three antiferromagnetic formulations of the O(3) spin model in three dimensions by means of Monte Carlo simulations: 1. a two parameter model with nearest and next to…