Bethe Ansatz Cluster Expansion Method for Quantum Integrable Particle Systems (General)
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概要
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Presented is a method, which we call Bethe ansatz cluster expansion (BACE) method, to investigate statistical mechanics of quantum integrable systems. By use of only the Bethe ansatz equation, n-particle partition functions are exactly calculated. From the expression for the partition function, the n-particle cluster integrals are derived. The results completely agree with those of the thermal Bethe ansatz (TBA) by Yang and Yang. Thus, the BACE method directly proves the validity of the TBA. Partition theory and graphical representation are used to make the presentation simple and transparent.
- 社団法人日本物理学会の論文
- 2004-05-15
著者
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Miki Wadati
Department Of Physics Graduate School Of Science University Of Tokyo
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Wadati M
Univ. Tokyo
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Wadati M
Univ. Tsukuba
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KATO Go
Department of Physics, Graduate School of Science, University of Tokyo
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Wadati M
Tokyo Univ. Sci. Tokyo
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Wadati Miki
Department Of Physics Faculty Of Science University Of Tokyo
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Wadati Miki
Department Of Physics Graduate School Science University Of Tokyo
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Kato Go
Department Of Physics Graduate School Of Science University Of Tokyo
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Wadati Miki
Department Of Physics Faculty Of Science Tokyo University Of Science
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WADATI Miki
Institute of Physics, College of Arts and Sciences University of Tokyo
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WADATI Miki
Institute of Applied Physics, University of Tsukuba
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