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On the selection of the state space in nonequilibrium thermodynamics

Author

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  • Luzzi, Roberto
  • Vasconcellos, Aurea R.
  • Casas-Vázquez, José
  • Jou, David

Abstract

We address here the question of the choice and interpretation of state variables in the thermodynamical description of systems arbitrarily away from equilibrium. It is presented a discussion of the topic in the framework of informational statistical thermodynamics, an approach based on Gibbs algorithm for nonequilibrium dissipative systems, which provides mechano-statistical foundations to phenomenological theories of irreversible thermodynamics. The theory is applied in the case of a particular system consisting of the mobile carriers in a highly excited photo-injected plasma in semiconductors. The concepts and results thus obtained are tested against experimental data in time-resolved and time-integrated optical laser spectroscopy. It is shown how equilibrium thermodynamic variables are evidenced and measured in such experiments. It is also discussed the influence on them of the inclusion of dissipative fluxes among the basic variables.

Suggested Citation

  • Luzzi, Roberto & Vasconcellos, Aurea R. & Casas-Vázquez, José & Jou, David, 1998. "On the selection of the state space in nonequilibrium thermodynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 248(1), pages 111-137.
    • Handle: RePEc:eee:phsmap:v:248:y:1998:i:1:p:111-137
    DOI: 10.1016/S0378-4371(97)00530-X
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    References listed on IDEAS

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    1. Vasconcellos, Aurea R. & Luzzi, Roberto, 1992. "On the statistical thermodynamics of a model for non-equilibrium semiconductors," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 180(1), pages 182-204.
    2. Vasconcellos, Áurea R. & Luzzi, Roberto & Jou, David & Casas-Vazquez, José, 1994. "Thermal waves in an extended hydrodynamic approach," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 212(3), pages 369-381.
    3. Salamon, M.B. & Inderhees, S.E. & Rice, J.P. & Ginsberg, D.M., 1990. "Heat capacity of untwinned YBa2Cu3O7-x in magnetic fields: Dimensional cross-over near Tc," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 168(1), pages 283-290.
    4. Collet, J.H., 1983. "Use of temperature-green functions for calculations of second-order susceptibilities," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 121(1), pages 85-91.
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