Note on nonequilibrium stationary states and entropy

Details Note on nonequilibrium stationary states and entropy Note on nonequilibrium stationary states and entropy

2003-12-12

arxiv.org/abs/cond-mat/0312306v1

Physical Review E, 69, 035104 (+4), 2004

Physics

Condensed Matter

Statistical Mechanics

4 pages

Scientific paper

10.1103/PhysRevE.69.035104

In transformations between nonequilibrium stationary states, entropy might be a not well defined concept. It might be analogous to the ``heat content'' in transformations in equilibrium which is not well defined either, if they are not isochoric ({\it i.e.} do involve mechanical work). Hence we conjecture that un a nonequilbrium stationary state the entropy is just a quantity that can be transferred or created, like heat in equilibrium, but has no physical meaning as ``entropy content'' as a property of the system.

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