Sutherland Models for Complex Reflection Groups

Details Sutherland Models for Complex Reflection Groups Sutherland Models for Complex Reflection Groups

2007-08-20

arxiv.org/abs/0708.2664v3

Nucl.Phys.B797:499-519,2008

Physics

Mathematical Physics

26 pages, 8 figures, latex; v3, acknowledgement added

Scientific paper

10.1016/j.nuclphysb.2007.11.028

There are known to be integrable Sutherland models associated to every real root system -- or, which is almost equivalent, to every real reflection group. Real reflection groups are special cases of complex reflection groups. In this paper we associate certain integrable Sutherland models to the classical family of complex reflection groups. Internal degrees of freedom are introduced, defining dynamical spin chains, and the freezing limit taken to obtain static chains of Haldane-Shastry type. By considering the relation of these models to the usual BC_N case, we are led to systems with both real and complex reflection groups as symmetries. We demonstrate their integrability by means of new Dunkl operators, associated to wreath products of dihedral groups.

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