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4 papers · 2 filters
Mean-field phase diagram for Bose-Hubbard Hamiltonians with random hopping
P. Buonsante, F. Massel, V. Penna +1
The zero-temperature phase diagram for ultracold Bosons in a random 1D potential is obtained through a site-decoupling mean-field scheme performed over a Bose-Hubbard (BH) Hamilton…
Real symmetric random matrices and replicas
Giovanni M. Cicuta, Henri Orland
Various ensembles of random matrices with independent entries are analyzed by the replica formalism in the large-N limit. A result on the Laplacian random matrix with Wigner-rescal…
Aging dynamics and the topology of inhomogenous networks
R. Burioni, D. Cassi, F. Corberi +1
We study phase ordering on networks and we establish a relation between the exponent of the aging part of the integrated autoresponse function and the topology of th…
Efficiency of Information Spreading in a population of diffusing agents
E. Agliari, R. Burioni, D. Cassi +1
We introduce a model for information spreading among a population of N agents diffusing on a square LxL lattice, starting from an informed agent (Source). Information passing from…