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The thermodynamical limit of general gl(N) spin chains: II. Excited states and energies

N Crampé1,2, L Frappat3 and É Ragoucy3

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We 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.


Keywords

thermodynamic Bethe ansatz

algebraic structures of integrable models

 

E-print Number: 0710.5904

Cited: by |

Refers: to

PACS

75.10.Jm Quantized spin models

03.65.Db Functional analytical methods

75.10.Pq Spin chain models

05.70.-a Thermodynamics

MSC

81Rxx Groups and algebras in quantum theory

82B30 Statistical thermodynamics (See also 80-XX)

82B23 Exactly solvable models; Bethe ansatz

Subjects

Condensed matter: electrical, magnetic and optical

Statistical physics and nonlinear systems

Quantum information and quantum mechanics

Dates

Issue 01 (January 2008)

Received 7 November 2007, accepted for publication 19 December 2007

Published 18 January 2008



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