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6 papers · 1 filter
Diffusive-Ballistic Transition in Random Walks with Long-Range Self-Repulsion
Aldo Procacci, Remy Sanchis, Benedetto Scoppola
We prove that a class of random walks on with long-range self-repulsive interactions have a diffusive-ballistic phase transition.
Abstract polymer models with general pair interactions
Aldo Procacci
A convergence criterion of cluster expansion is presented in the case of an abstract polymer system with general pair interactions (i.e. not necessarily hard core or repulsive). As…
The analyticity region of the hard sphere gas. Improved bounds
Roberto Fernandez, Aldo Procacci, Benedetto Scoppola
We find an improved estimate of the radius of analyticity of the pressure of the hard-sphere gas in dimensions. The estimates are determined by the volume of multidimensional r…
The Casimir Effect for Parallel Plates Revisited
N. A. Kawakami, M. C. Nemes, W. F. Wreszinski
The Casimir effect for a massless scalar field with Dirichlet and periodic boundary conditions (b.c.) on infinite parallel plates is revisited in the local quantum field theory (lq…
Decay Properties of the Connectivity for Mixed Long Range Percolation Models on
Gastao A. Braga, Leandro M. Cioletti, Remy Sanchis
In this short note we consider mixed short-long range independent bond percolation models on . Let be the probability that the edge will be open. Allowin…
Cluster expansion for abstract polymer models. New bounds from an old approach
Roberto Fernandez, Aldo Procacci
We revisit the classical approach to cluster expansions, based on tree graphs, and establish a new convergence condition that improves those by Kotecky-Preiss and Dobrushin, as we…