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arXiv · 1502.03364

Spatial fluctuation theorem

Carlos Pérez-Espigares·Frank Redig·Cristian Giardinà
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Abstract

For non-equilibrium systems of interacting particles and for interacting diffusions in d dimensions, a novel fluctuation relation is derived. The theorem establishes a quantitative relation between the probabilities of observing two current values in different spatial directions. The result is a consequence of spatial symmetries of the microscopic dynamics, generalizing in this way the Gallavotti-Cohen fluctuation theorem related to the time-reversal symmetry. This new perspective opens up the possibility of direct experimental measurements of fluctuation relations of vectorial observables.

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BibTeXRIS

Carlos Pérez-Espigares, Frank Redig, Cristian Giardinà. 2015-02-11. Spatial fluctuation theorem. https://doi.org/10.1088/1751-8113/48/35/35ft01

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