300 citations · 4.6k across the 133 of their papers we have counts for
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Phase transitions in the unconstrained ensemble
Alessandro Campa, Lapo Casetti, Ivan Latella +1
The unconstrained ensemble describes completely open systems in which energy, volume and number of particles fluctuate. Here we show that not only equilibrium states can exist in t…
Pulse solutions of the fractional effective models of the Fermi-Pasta-Ulam lattice with long-range interactions
Gervais Nazaire Beukam Chendjou, Jean Pierre Nguenang, Andrea Trombettoni +3
We study analytical solutions of the Fractional Boussinesq Equation (FBE), which is an effective model for the Fermi-Pasta-Ulam (FPU) one-dimensional lattice with long-range coupli…
Criticality of Spin Systems with Weak Long-Range Interactions
Nicolò Defenu, Alessandro Codello, Stefano Ruffo +1
The study of critical properties of systems with long-range interactions has attracted in the last decades a continuing interest and motivated the development of several analytical…
Ensemble inequivalence in the Blume-Emery-Griffiths model near a fourth order critical point
V. V. Prasad, Alessandro Campa, David Mukamel +1
The canonical phase diagram of the Blume-Emery-Griffiths (BEG) model with infinite-range interactions is known to exhibit a fourth order critical point at some negative value of th…
Ising chains with competing interactions in presence of long-range couplings
Alessandro Campa, Giacomo Gori, Vahan Hovhannisyan +2
In this paper we study an Ising spin chain with short-range competing interactions in presence of long-range ferromagnetic interactions in the canonical ensemble. The simultaneous…
Many-body synchronisation in a classical Hamiltonian system
Reyhaneh Khasseh, Rosario Fazio, Stefano Ruffo +1
We study synchronisation between periodically driven, interacting classical spins undergoing a Hamiltonian dynamics. In the thermodynamic limit there is a transition between a regi…