The Calogero-Sutherland Model and Polynomials with Prescribed Symmetry

Details The Calogero-Sutherland Model and Polynomials with Prescribed Symmetry The Calogero-Sutherland Model and Polynomials with Prescribed Symmetry

1996-09-26

arxiv.org/abs/solv-int/9609010v1

Mathematics

Quantum Algebra

LaTeX 2.09, 31 pages

Scientific paper

10.1016/S0550-3213(97)00112-0

The Schr\"odinger operators with exchange terms for certain Calogero-Sutherland quantum many body systems have eigenfunctions which factor into the symmetric ground state and a multivariable polynomial. The polynomial can be chosen to have a prescribed symmetry (i.e. be symmetric or antisymmetric) with respect to the interchange of some specified variables. For four particular Calogero-Sutherland systems we construct an eigenoperator for these polynomials which separates the eigenvalues and establishes orthogonality. In two of the cases this involves identifying new operators which commute with the corresponding Schr\"odinger operators. In each case we express a particular class of the polynomials with prescribed symmetry in a factored form involving the corresponding symmetric polynomials.

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