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6 papers · 2 filters
Accuracy of the cluster-approximation method in a nonequilibrium model
Alastair Windus, Henrik Jeldtoft Jensen
We examine a model in which a nonequilibrium phase transition from an active to an extinct state is observed. The order of this phase transition has been shown to be either continu…
Fermionization and bosonization of expanding 1D anyonic fluids
A. del Campo
The momentum distribution of an expanding cloud of one-dimensional hard-core anyons is studied by an exact numerical approach, and shown to become indistinguishable from that of a…
Diffusive Transport in Periodic Potentials: Underdamped Dynamics
G. A. Pavliotis, A. Vogiannou
In this paper we present a systematic and rigorous method for calculating the diffusion tensor for a Brownian particle moving in a periodic potential which is valid in arbitrary di…
Exploring local quantum many-body relaxation by atoms in optical superlattices
M. Cramer, A. Flesch, I. P. McCulloch +2
We establish a setting - atoms in optical superlattices with period 2 - in which one can experimentally probe signatures of the process of local relaxation and apparent thermalizat…
Reply to "Comment on `Self-organized Criticality and Absorbing States: Lessons from the Ising Model'"
Gunnar Pruessner, Ole Peters
In [Braz. J. Phys. 30, 27 (2000)] Dickman et al. suggested that self-organized criticality can be produced by coupling the activity of an absorbing state model to a dissipation mec…
On the scaling of probability density functions with apparent power-law exponents less than unity
Kim Christensen, Nadia Farid, Gunnar Pruessner +1
We derive general properties of the finite-size scaling of probability density functions and show that when the apparent exponent \tautilde of a probability density is less than 1,…