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Spectrum and Completeness of the Integrable 3-state Potts Model: A Finite Size Study

Albertini, Giuseppe, Dasmahapatra, Srinandan and McCoy, Barry M (1992) Spectrum and Completeness of the Integrable 3-state Potts Model: A Finite Size Study International Journal of Modern Physics A, 7, (Supple), pp. 1-53.

Record type: Article


All eigenvalues of the transfer matrix of the integrable 3-state Potts model are computed as polynomials in the spectral variable for chains of length M < or = 7. The zeroes of the eigenvalues are known to satisfy a Bethe's Ansatz equation and thus it is of particular interest that we find many solutions whose zeroes do not satisfy the traditional "string hypothesis". We also find many cases where the integers in the logarithmic form of the Bethe equations do not satisfy the monotonicity properties that they are usually assumed to possess. We present a classification of all eigenvalues in terms of sets of roots and show that, for all M, this classification yields a complete set.

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Published date: 1992
Organisations: Southampton Wireless Group


Local EPrints ID: 261741
ISSN: 0217-751X
PURE UUID: 8cf4de15-6e65-4919-be77-cafe9369c69f

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Date deposited: 09 Jan 2006
Last modified: 18 Jul 2017 08:59

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Author: Giuseppe Albertini
Author: Barry M McCoy

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