Thermodynamics of osp(1|2) Integrable Spin Chain : Finite Size Correction : General Physics

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概要

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• The thermodynamic Bethe ansatz (TBA) equation for an integrable spin chain related to the Lie superalgebra osp(1|2) is analyzed. The central charge determined by low temperature asymptotics of the specific heat can be expressed by the Rogers dilogarithmic function, and identified to be 1. Solving the TBA equation numerically, we evaluate the several thermodynamic quantities. The excited state TBA equation is also discussed. These results supplement our previous papers: [Mod. Phys. Lett. A 14 (1999) 2427; Int. J. Mod. Phys. A 15 (2000) 2329].

• 社団法人日本物理学会の論文
• 2001-02-15

著者

• Tsuboi Zengo

  Institute Of Physics University Of Tokyo

• Tsuboi Zengo

  Institute For Solid State Physics University Of Tokyo

• SAKAI Kazumitsu

  Universitat Dortmund, Theoretische Physik I

• Sakai Kazumitsu

  Universitat Dortmund Theoretische Physik I

関連論文

• Solutions of Discretized Affine Toda Field Equations for A^(1)_n,B^(1)_n,C^(1)_n,D^(1)_n,A^(2)_n,and D^(2)_
• Thermodynamics of osp(1|2) Integrable Spin Chain : Finite Size Correction : General Physics
• Nonlinear Integral Equations for Thermodynamics of the U_q(sl(^^^^1)) Perk-Schultz Model(General)

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