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Self-similar behavior of pre-turbulent fluctuations
R. Collina, R. Livi, A. Mazzino
The random forced Navier-Stokes equation can be obtained as a variational problem of a proper action. In virtue of incompressibility, the integration over transverse components of…
Thermally activated processes in polymer dynamics
Lorenzo Bongini, Roberto Livi, Alessandro Torcini +1
Jumps between neighboring minima in the energy landscape of both homopolymeric and heteropolymeric chains are numerically investigated by determining the average escape time from d…
On the universality of anomalous one-dimensional heat conductivity
Stefano Lepri, Roberto Livi, Antonio Politi
In one and two dimensions, transport coefficients may diverge in the thermodynamic limit due to long--time correlation of the corresponding currents. The effective asymptotic behav…
Wetting under non-equilibrium conditions
H. Hinrichsen, R. Livi, D. Mukamel +1
We report a detailed account of the phase diagram of a recently introduced model for non-equilibrium wetting in 1+1 dimensions [Phys. Rev. Lett. 79, 2710 (1997)]. A mean field appr…
From multiplicative noise to directed percolation in wetting transitions
F. Ginelli, V. Ahlers, R. Livi +4
A simple one-dimensional microscopic model of the depinning transition of an interface from an attractive hard wall is introduced and investigated. Upon varying a control parameter…