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Article Dans Une Revue General Relativity and Gravitation Année : 2005

Local thermal equilibrium and ideal gas Stephani universes

Résumé

The Stephani universes that can be interpreted as an ideal gas evolving in local thermal equilibrium are determined. Five classes of thermodynamic schemes are admissible, which give rise to five classes of regular models and three classes of singular models. No Stephani universes exist representing an exact solution to a classical ideal gas (one for which the internal energy is proportional to the temperature). But some Stephani universes may approximate a classical ideal gas at first order in the temperature: all of them are obtained. Finally, some features about the physical behavior of the models are pointed out.

Dates et versions

hal-03732714 , version 1 (21-07-2022)

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Citer

Bartolomé Coll, Joan Josep Ferrando. Local thermal equilibrium and ideal gas Stephani universes. General Relativity and Gravitation, 2005, 37, pp.557-573. ⟨10.1007/s10714-005-0042-y⟩. ⟨hal-03732714⟩
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