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cond-mat.stat-mech2005
Direct evaluation of large-deviation functions
Cristian Giardina', Jorge Kurchan, Luca Peliti
We introduce a numerical procedure to evaluate directly the probabilities of large deviations of physical quantities, such as current or density, that are local in time. The large-…
cond-mat.stat-mech2005
Fourier law in a momentum-conserving chain
C. Giardina', J. Kurchan
We introduce a family of Hamiltonian models for heat conduction with and without momentum conservation. They are analytically solvable in the high temperature limit and can also be…
cond-mat.stat-mech2002
Screened Vortex Lattice Model with Disorder
C. Giardina', N. V. Priezjev, J. M. Kosterlitz
The three dimensional XY model with quenched random disorder and finite screening is studied. We argue that the system scales to model with and the resulting ef…