Legendre transforms in nonequilibrium thermodynamics: An illustration in electrical systems

David Jou, Ahmed Salhoumi

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Resum

A Legendre transform is proposed between a nonequilibrium thermodynamic potential for electrical systems using the electric flux as a nonequilibrium variable and another one using the electric field. Such a transform clarifies the definition of the chemical potential in nonequilibrium steady states and may be also useful in other contexts where the relaxation times of the fluxes play a relevant role. The relation between this proposal and some Legendre transforms used in the context of dissipative potentials is examined. © 2001 Elsevier Science B.V.
Idioma originalEnglish
Pàgines (de-a)163-167
RevistaPhysics Letters, Section A: General, Atomic and Solid State Physics
Volum283
DOIs
Estat de la publicacióPublicada - 14 de maig 2001

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