An integrable structure related with tridiagonal algebras

Details An integrable structure related with tridiagonal algebras An integrable structure related with tridiagonal algebras

2004-08-14

arxiv.org/abs/math-ph/0408025v2

Nucl.Phys. B705 (2005) 605-619

Physics

Mathematical Physics

11 pages; LaTeX file with amssymb; ; v2: typos corrected, one reference added, to appear in Nucl. Phys. B

Scientific paper

10.1016/j.nuclphysb.2004.11.014

The standard generators of tridiagonal algebras, recently introduced by Terwilliger, are shown to generate a new (in)finite family of mutually commuting operators which extends the Dolan-Grady construction. The involution property relies on the tridiagonal algebraic structure associated with a deformation parameter $q$. Representations are shown to be generated from a class of quadratic algebras, namely the reflection equations. The spectral problem is briefly discussed. Finally, related massive quantum integrable models are shown to be superintegrable.

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