Remarks on the quantum dilogarithm
- 21 April 1995
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 28 (8), 2217-2226
- https://doi.org/10.1088/0305-4470/28/8/014
Abstract
A quantum analogue of the dilogarithm function has been introduced by Faddeev and Kashaev (1994) in such a way that a certain identity in the Weyl algebra Wq, plays the role of the five-term dilogarithm identity. We study this identity in the limit when q approaches a root of unity and show that it then reduces to the 'restricted star-triangle relation' which has been used previously by Bazhanov and Baxter (1992) as a local integrability condition of a class of three-dimensional solvable lattice models.Keywords
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