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We review a method providing explicit formulas for the Jack polynomials. Our method is based on the relation of the Jack polynomials to the eigenfunctions of a well-known exactly solvable quantum many-body system of Calogero-Sutherland…

Mathematical Physics · Physics 2007-05-23 Edwin Langmann

We prove that the Calogero-Sutherland Model with reflections (the BC_N model) possesses a property of duality relating the eigenfunctions of two Hamiltonians with different coupling constants. We obtain a generating function for their…

High Energy Physics - Theory · Physics 2008-11-26 D. Serban

We consider the quantum Calogero model, which describes N non-distinguishable quantum particles on the real line confined by a harmonic oscillator potential and interacting via two-body interactions proportional to the inverse square of the…

Mathematical Physics · Physics 2014-11-18 Martin Hallnäs , Edwin Langmann

We investigate the matrix-model origin of the spherical sector of the rational Calogero model and its constants of motion. We develop a diagrammatic technique which allows us to find explicit expressions of the constants of motion and…

High Energy Physics - Theory · Physics 2014-12-01 Tigran Hakobyan , Olaf Lechtenfeld , Armen Nersessian

We construct two different Calogero-Sutherland type models with only two-body interactions in arbitrary dimensions. We obtain some exact wave functions, including the ground states, of these two models for arbitrary number of spinless…

Statistical Mechanics · Physics 2009-10-28 Pijush K. Ghosh

Following Shastry and Sutherland I construct the super Lax operators for the Calogero model in the oscillator potential. These operators can be used for the derivation of the eigenfunctions and integrals of motion of the Calogero model and…

Mathematical Physics · Physics 2009-11-10 A. I. Neelov

We prove equivalence of two integral representations for the wave functions of hyperbolic Calogero-Sutherland system. For this we study two families of Baxter operators related to hyperbolic Calogero-Sutherland and rational Ruijsenaars…

Mathematical Physics · Physics 2026-01-21 N. Belousov , L. Cherepanov , S. Derkachov , S. Khoroshkin

Using a technique based on the Yangian Gelfand-Zetlin algebra and the associated Yangian Gelfand-Zetlin bases we construct an orthogonal basis of eigenvectors in the Calogero-Sutherland Model with spin, and derive product-type formulas for…

solv-int · Physics 2009-10-30 Kouichi Takemura , Denis Uglov

The U(1) Calogero Sutherland Model with anti-periodic boundary condition is studied. The Hamiltonian is reduced to a convenient form by similarity transformation. The matrix representation of the Hamiltonian acting on a partially ordered…

Mathematical Physics · Physics 2007-05-23 Arindam Chakraborty , Subhankar Ray , J. Shamanna

We construct generalizations of the Calogero-Sutherland-Moser system by appropriately reducing a classical Calogero model by a subset of its discrete symmetries. Such reductions reproduce all known variants of these systems, including some…

High Energy Physics - Theory · Physics 2009-10-31 Alexios P. Polychronakos

We show that the Calogero and Calogero-Sutherland models possess an N-body generalization of shape invariance. We obtain the operator representation that gives rise to this result, and discuss the implications of this result, including the…

Quantum Physics · Physics 2009-10-30 Costas Efthimiou , Donald Spector

We discuss integrable many-body systems in one dimension of Calogero-Moser-Sutherland type, both classical and quantum as well as nonrelativistic and relativistic. In particular, we consider fundamental properties such as integrability, the…

Mathematical Physics · Physics 2024-08-12 Martin Hallnäs

We use generalized kernel functions to construct explicit solutions by integrals of the non-stationary Schr\"odinger equation for the Hamiltonian of the elliptic Calogero-Sutherland model (also known as elliptic…

Mathematical Physics · Physics 2020-03-27 Farrokh Atai , Edwin Langmann

We construct the explicit two-holon eigenstates of the SU(2) Kuramoto-Yokoyama model at the level of explicit wave functions. We derive the exact energies and obtain the individual holon momenta, which are quantized according to the…

Strongly Correlated Electrons · Physics 2009-11-11 Ronny Thomale , Dirk Schuricht , Martin Greiter

The present article is an extended version of the paper {\it Phys. Rev.} {\bf B 59}, R2490 (1999), where, we have established the equivalence of the Calogero-Sutherland model to decoupled oscillators. Here, we first employ the same approach…

Condensed Matter · Physics 2009-11-10 N. Gurappa , Prasanta K. Panigrahi

We discuss a special eigenstate of the quantized periodic Calogero-Moser system associated to a root system. This state has the property that its eigenfunctions, when regarded as multivalued functions on the space of regular conjugacy…

Algebraic Geometry · Mathematics 2007-05-23 Wim Couwenberg , Gert Heckman , Eduard Looijenga

Exact coherent states in the Calogero-Sutherland models (of time-dependent parameters) which describe identical harmonic oscillators interacting through inverse-square potentials are constructed, in terms of the classical solutions of a…

Quantum Physics · Physics 2009-11-07 Dae-Yup Song , JeongHyeong Park

A novel realization is provided for the scattering states of the $N$-particle Calogero-Moser Hamiltonian. They are explicitly shown to be the coherent states of the singular oscillators of the Calogero-Sutherland model. Our algebraic…

Quantum Physics · Physics 2009-10-31 N. Gurappa , P. S. Mohanty , Prasanta K. Panigrahi

We consider generalizations of the $BC$-type relativistic Calogero-Moser-Sutherland models, comprising of the rational, trigonometric, hyperbolic, and elliptic cases, due to Koornwinder and van Diejen, and construct an explicit…

Mathematical Physics · Physics 2020-09-02 F. Atai

The exact normalization of a multicomponent generalization of the ground state wavefunction of the Calogero-Sutherland model is conjectured. This result is obtained from a conjectured generalization of Selberg's $N$-dimensional extension of…

Condensed Matter · Physics 2015-06-25 P. J. Forrester