On the Extended Ideal Gas Phenomenological and the Bethe Ansatz Approaches to the Thermodynamics of Integrable Soliton-Bearing Systems : Condensed Matter and Statistical Physics

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概要

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• We have investigated a close relationship between an extended ideal gas phenomenological (EIGP) and the Bethe ansatz (BA) approaches to the thermodynamics of integrable soliton-bearing systems. The EIGP is constructed by taking into account self-consistently the phase-shift effects due to interactions between the excitation modes, while the integral equations in the Yang-Yang BA theory are rewritten in terms of canonical momenta of the excitation modes. The resultant equations in these two approaches are shown to be formally equivalent.

• 理論物理学刊行会の論文
• 1985-09-25

著者

• TAKAYAMA Hajime

  Research Institute for Fundamental Physics, Kyoto University

• ISHIKAWA Masakatsu

  Tokoha Gakuen University

• Takayama Hajime

  Research Institute For Fundamental Phisics Kyoto University

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