For diffusive systems on a line with a stepped initial density, the paper derives multi-time current statistics from macroscopic fluctuation theory, giving exact results for non-interacting particles and a perturbative two-time correlation for generic systems.
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Macroscopic fluctuation theory for the multi-time statistics of current in non-stationary diffusive systems
For diffusive systems on a line with a stepped initial density, the paper derives multi-time current statistics from macroscopic fluctuation theory, giving exact results for non-interacting particles and a perturbative two-time correlation for generic systems.