Thermodynamics of nonequilibrium radiation. (I) General theory

A.R. Vasconcellos, J. Fort, D. Jou and R. Luzzi

Physica A: Statistical Mechanics and its Applications, 2001, vol. 300, issue 3, 386-402

Abstract: An in-depth study of the thermodynamics of nonequilibrium radiation is presented. The characterization of its nonequilibrium macroscopic state is performed in the framework of Informational Statistical Thermodynamics. This is done in terms of a nonequilibrium Dirac–Landau–Wigner single particle density matrix, or, alternatively, in terms of the conjugated intensive nonequilibrium thermodynamic variables. When a local description is not required, the global one can be done by giving the nonequilibrium populations in the different modes. Also, alternatively, we can introduce a nonequilibrium temperature (quasi-temperature) per mode. This is compared to a couple of contracted descriptions. The evolution of the resulting nonequilibrium thermodynamic state and the eventual experimental determination are given in the follow-up article.

Keywords: Nonequilibrium radiation; Informational Statistical Thermodynamics; Radiation Nonequilibrium Temperature (search for similar items in EconPapers)
Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:300:y:2001:i:3:p:386-402

DOI: 10.1016/S0378-4371(01)00346-6

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