Highest weight Macdonald and Jack Polynomials

Details Highest weight Macdonald and Jack Polynomials Highest weight Macdonald and Jack Polynomials

2010-03-25

arxiv.org/abs/1003.4858v2

J. Phys. A: Math. Theor. 44, 055204 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

17 pages, published version

Scientific paper

Fractional quantum Hall states of particles in the lowest Landau levels are described by multivariate polynomials. The incompressible liquid states when described on a sphere are fully invariant under the rotation group. Excited quasiparticle/quasihole states are member of multiplets under the rotation group and generically there is a nontrivial highest weight member of the multiplet from which all states can be constructed. Some of the trial states proposed in the literature belong to classical families of symmetric polynomials. In this paper we study Macdonald and Jack polynomials that are highest weight states. For Macdonald polynomials it is a (q,t)-deformation of the raising angular momentum operator that defines the highest weight condition. By specialization of the parameters we obtain a classification of the highest weight Jack polynomials. Our results are valid in the case of staircase and rectangular partition indexing the polynomials.

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