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 [Particles and Fields; Gravitation; Cosmology; Nuclear Physics], 7, (Supple), 1-53.

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Description/Abstract

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≤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.

Item Type: Article
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Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Comms, Signal Processing & Control
ePrint ID: 261741
Date Deposited: 09 Jan 2006
Last Modified: 27 Mar 2014 20:04
Further Information:Google Scholar
ISI Citation Count:29
URI: http://eprints.soton.ac.uk/id/eprint/261741

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