Non-crystallographic reduction of generalized Calogero–Moser models

Fring, A. and Korff, C. (2006) Non-crystallographic reduction of generalized Calogero–Moser models. Journal of Physics A: Mathematical and General, 39(5), pp. 1115-1131. (doi:10.1088/0305-4470/39/5/007)

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We apply a recently introduced reduction procedure based on the embedding of non-crystallographic Coxeter groups into crystallographic ones to Calogero–Moser systems. For rational potentials the familiar generalized Calogero Hamiltonian is recovered. For the Hamiltonians of trigonometric, hyperbolic and elliptic types, we obtain novel integrable dynamical systems with a second potential term which is rescaled by the golden ratio. We explicitly show for the simplest of these non-crystallographic models, how the corresponding classical equations of motion can be derived from a Lie algebraic Lax pair based on the larger, crystallographic Coxeter group.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Korff, Dr Christian
Authors: Fring, A., and Korff, C.
Subjects:Q Science > QA Mathematics
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
Journal Name:Journal of Physics A: Mathematical and General
Publisher:Institute of Physics Publishing Ltd.

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