Fluctuation relation and heterogeneous superdiffusion in glassy transport

Details Fluctuation relation and heterogeneous superdiffusion in glassy transport Fluctuation relation and heterogeneous superdiffusion in glassy transport

2009-03-19

arxiv.org/abs/0903.3360v2

Phys. Rev. E 80, 011134 (2009)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 7 figures; minor changes, references added

Scientific paper

10.1103/PhysRevE.80.011134

Current fluctuations and related steady state fluctuation relation are investigated in simple coarse-grained lattice-gas analogs of a non-Newtonian fluid driven by a constant and uniform force field, in two regimes of small entropy production. Non-Gaussian current fluctuations and deviations from fluctuation relation are observed and related to the existence of growing amorphous correlations and heterogeneous anomalous diffusion regimes.

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