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Abstract: The dynamics of systems out of thermal equilibrium is usually treated on acase-by-case basis without knowledge of fundamental and universal principles.We address this problem for a class of driven steady states, namely thosemechanically driven at the boundaries such as complex fluids under shear. Froma nonequilibrium counterpart to detailed balance NCDB we derive a remarkablysimple set of invariant quantities which remain unchanged when the system isdriven. These new nonequilibrium relations are both exact and valid arbitrarilyfar from equilibrium. Furthermore, they enable the systematic calculation oftransition rates in driven systems with state-spaces of arbitrary connectivity.



Author: A. Baule, R. M. L. Evans

Source: https://arxiv.org/



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