On PT-symmetric extensions of the Calogero and Sutherland models

Details On PT-symmetric extensions of the Calogero and Sutherland models On PT-symmetric extensions of the Calogero and Sutherland models

2003-11-10

arxiv.org/abs/hep-th/0311081v2

Int.J.Mod.Phys. A19 (2004) 4391-4400

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, LaTeX

Scientific paper

10.1142/S0217751X04019858

The original Calogero and Sutherland models describe N quantum particles on the line interacting pairwise through an inverse square and an inverse sinus-square potential. They are well known to be integrable and solvable. Here we extend the Calogero and Sutherland Hamiltonians by means of new interactions which are PT-symmetric but not self adjoint. Some of these new interactions lead to integrable PT-symmetric Hamiltonians; the algebraic properties further reveal that they are solvable as well. We also consider PT-symmetric interactions which lead to a new quasi-exactly solvable deformation of the Calogero and Sutherland Hamiltonians.

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