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Non-equilibrium open systems and non-equilibrium thermo field dynamics

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  • Arimitsu, Toshihico

Abstract

Within the formalism of non-equilibrium thermo field dynamics (NETFD), a derivation of basic equations is given in their most general and suitable forms to take into account the coarse graining in the kinetic region and in the fluid mechanical region. A new concept, called the connection of thermal spaces, is introduced in order to give a prospect to overcome the problem of the specification of representation spaces in far-from-thernal equilibrium situations where systems traverse unitarily inequivalent representation spaces in their dynamical evolutions.

Suggested Citation

  • Arimitsu, Toshihico, 1989. "Non-equilibrium open systems and non-equilibrium thermo field dynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 158(1), pages 317-325.
    • Handle: RePEc:eee:phsmap:v:158:y:1989:i:1:p:317-325
    DOI: 10.1016/0378-4371(89)90531-1
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    References listed on IDEAS

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    1. Arimitsu, T. & Sudo, Y. & Umezawa, H., 1987. "Dynamical rearrangement of the thermal vacuum in thermo field dynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 146(3), pages 433-451.
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