Is equilibrium always an entropy maximum?

@article{Landsberg1984IsEA,
  title={Is equilibrium always an entropy maximum?},
  author={Peter Landsberg},
  journal={Journal of Statistical Physics},
  year={1984},
  volume={35},
  pages={159-169}
}
  • P. Landsberg
  • Published 1 April 1984
  • Physics
  • Journal of Statistical Physics
A systematic development is given of the view that in the case of systems with long-range forces and which are therefore nonextensive (in some sense) some thermodynamic results do not hold. Among these is the relationU − TS + pΝ = ΜN and the Gibbs-Duhem equation. If a search for an equilibrium state is made by maximization of the entropy one may obtain misleading results because superadditivity may be violated. The considerations are worked out for a simple gas model, but they are relevant to… 
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