1 2 D ec 1 99 6 Asymmetries in Structure Factor Histograms
نویسندگان
چکیده
We investigate the dynamics of a three-state stochastic lattice gas, consisting of holes and two oppositely " charged " species of particles, under the influence of an " electric " field, at zero total charge. Interacting only through an excluded volume constraint, particles can hop to nearest neighbour empty sites. Using a combination of Langevin equations and Monte Carlo simulations, we study the probability distributions of the steady-state structure factors in the disordered phase where homogeneous configurations are stable against small harmonic perturbations. Simulation and theoretical results are in excellent agreement, both showing asymmetric exponential distributions.
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