N Crampé et al J. Stat. Mech. (2008) P01015 doi:10.1088/1742-5468/2008/01/P01015
N Crampé1,2, L Frappat3 and É Ragoucy3
Show affiliationsWe consider the thermodynamical limit of a gl(N) spin chain with arbitrary representation at each site of the chain. We study the first excitations (with holes and new strings) above the vacuum and compute the corresponding densities of the Bethe roots as well as their energy.
E-print Number: 0710.5904
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75.10.Jm Quantized spin models
81Rxx Groups and algebras in quantum theory
Condensed matter: electrical, magnetic and optical
Issue 01 (January 2008)
Received 7 November 2007, accepted for publication 19 December 2007
Published 18 January 2008
N Crampé et al J. Stat. Mech. (2008) P01015
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