On the foundations of extended irreversible thermodynamics

L. S. Garcia-Colin, M. López de Haro, R. F. Rodriguez, J. Casas-Vázquez, D. Jou

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A theory of macroscopic systems which takes as independent variables the slow (conserved) ones plus the fast dissipative fluxes is carefully analyzed at three levels of description: macroscopic (thermodynamic), microscopic (projection operators) and mesoscopic (fluctuation theory). Such a description is compared with the memory function approach based only on the conserved variables. We find that the first theory is richer and wider than the second one, and some misunderstandings in this connection are clarified and discussed. © 1984 Plenum Publishing Corporation.
Original languageEnglish
Pages (from-to)465-484
JournalJournal of Statistical Physics
Publication statusPublished - 1 Nov 1984


  • Extended irreversible thermodynamics
  • fluctuations
  • flux relaxation
  • kinetic theory
  • memory functions
  • projection operators


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