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Anomalous transport in the Fermi-Pasta-Ulam-Tsingou model: a review and open problems
Stefano Lepri, Roberto Livi, Antonio Politi
This review provides an up-to-date account of energy transport in Fermi-Pasta-Ulam-Tsingou (FPUT) chains, a key testbed for nonequilibrium statistical physics. We discuss the trans…
Multi-particle-collision simulation of heat transfer in low-dimensional fluids
Rongxiang Luo, Stefano Lepri
Simulation of transport properties of confined, low-dimensional fluids can be performed efficiently by means of Multi-Particle Collision (MPC) dynamics with suitable thermal-wall b…
Lattice models of random advection and diffusion and their statistics
Stefano Lepri, Paolo Politi, Arkady Pikovsky
We study in detail a one-dimensional lattice model of a continuum, conserved field (mass) that is transferred deterministically between neighbouring random sites. The model falls i…
Non-equilibrium steady states of long-range coupled harmonic chains
Francesco Andreucci, Stefano Lepri, Stefano Ruffo +1
We perform a numerical study of transport properties of a one-dimensional chain with couplings decaying as an inverse power of the intersite distance and open boun…
Non-Fourier heat transport in nanosystems
Giuliano Benenti, Davide Donadio, Stefano Lepri +1
Energy transfer in small nanosized systems can be very different from that in their macroscopic counterparts due to reduced dimensionality, interaction with surfaces, disorder, and…
Thermalization of isolated harmonic networks under conservative noise
Stefano Lepri
We study a scalar harmonic network with pair interactions and a binary collision rule, exchanging the momenta of a randomly-chosen couple of sites. We consider the case of the isol…