53 citations · 104 across the 2 of their papers we have counts for
4 papers
First-order microcanonical transitions in finite mean-field models
Mickael Antoni, Stefano Ruffo, Alessandro Torcini
A microcanonical first order transition, connecting a clustered to a homogeneous phase, is studied from both the thermodynamic and dynamical point of view for a N-body Hamiltonian…
Supersonic Discrete Kink-Solitons and Sinusoidal Patterns with "Magic" wavenumber in Anharmonic Lattices
Yuriy A. Kosevich, Ramaz Khomeriki, Stefano Ruffo
The sharp pulse method is applied to Fermi-Pasta-Ulam (FPU) and Lennard-Jones (LJ) anharmonic lattices. Numerical simulations reveal the presence of high energy strongly localized…
Damage spreading and Lyapunov exponents in cellular automata
F. Bagnoli, R. Rechtman, S. Ruffo
Using the concept of the Boolean derivative we study damage spreading for one dimensional elementary cellular automata and define their maximal Lyapunov exponent. A random matrix a…
On the microcanonical solution of a system of globally coupled rotators
Mickael Antoni, Haye Hinrichsen, Stefano Ruffo
We study the Hamiltonian Mean Field (HMF) model, a system of fully coupled particles, in the microcanonical ensemble. We use the previously obtained free energy in the canonica…