English
Related papers

Related papers: A Note on Calogero-Sutherland Model, W_n Singular …

200 papers

We study a unitary matrix model of the Gross-Witten-Wadia type, extended with the addition of characteristic polynomial insertions. The model interpolates between solvable unitary matrix models and is the unitary counterpart of a deformed…

High Energy Physics - Theory · Physics 2020-11-23 Jorge G. Russo , Miguel Tierz

We present explicit formulas for the eigenvalues and eigenfunctions of the elliptic Calogero-Sutherland (eCS) model as formal power series to all orders in the nome of the elliptic functions, for arbitrary values of the (positive) coupling…

Mathematical Physics · Physics 2016-11-23 Edwin Langmann

We describe the recently introduced method of Algebraic Bosonization of (1+1)-dimensional fermionic systems by discussing the specific case of the Calogero-Sutherland model. A comparison with the Bethe Ansatz results is also presented.

High Energy Physics - Theory · Physics 2007-05-23 R. Caracciolo , M. Frau , A. Lerda , S. Sciuto , G. R. Zemba

Quantum Calogero-Sutherland model of $A_n$ type is completely integrable. Using this fact, we give an elementary construction of lowering an raising operators for the trigonometric case. This is similar, but more complicated (due to the…

Mathematical Physics · Physics 2009-11-07 Wifredo Garcia Fuertes , Miguel Lorente , Askold Perelomov

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

Translationally invariant symmetric polynomials as coordinates for $N$-body problems with identical particles are proposed. It is shown that in those coordinates the Calogero and Sutherland $N$-body Hamiltonians, after appropriate gauge…

High Energy Physics - Theory · Physics 2009-10-28 Werner Ruhl , Alexander Turbiner

In these lectures, I review some recent results on the Calogero-Sutherland model and the Haldane Shastry-chain. The list of topics I cover are the following: 1) The Calogero-Sutherland Hamiltonian and fractional statistics. The form factor…

High Energy Physics - Theory · Physics 2009-10-28 V. Pasquier

We introduce a {\it lattice} version of the Calogero Sutherland model adapted to describe $1/d^2$ pairwise interacting steps with discrete positions on a vicinal surface. The configurational free energy is obtained within a transfer matrix…

Condensed Matter · Physics 2009-10-31 E. Le Goff , L. Barbier , B. Salanon

Integrability, algebraic structures and orthogonal basis of the Calogero model are studied by the quantum Lax and Dunkl operator formulations. The commutator algebra among operators including conserved operators and creation-annihilation…

Statistical Mechanics · Physics 2008-02-03 Miki Wadati , Hideaki Ujino

The wave functions of quantum Calogero-Sutherland systems for trigonometric case are related to polynomials in l variables (l is a rank of root system) and they are the generalization of Gegenbauer polynomials and Jack polynomials. Using…

Mathematical Physics · Physics 2007-05-23 A. M. Perelomov

In a recent work, we have initiated the theory of N=2 symmetric superpolynomials. As far as the classical bases are concerned, this is a rather straightforward generalization of the N=1 case. However this construction could not be…

Mathematical Physics · Physics 2018-01-09 Ludovic Alarie-Vézina , Luc Lapointe , Pierre Mathieu

The issues related to the integrability of quantum Calogero-Moser models based on any root systems are addressed. For the models with degenerate potentials, i.e. the rational with/without the harmonic confining force, the hyperbolic and the…

High Energy Physics - Theory · Physics 2008-11-26 S. P. Khastgir , A. J. Pocklington , R. Sasaki

We express the Hamiltonian of the quantum trigonometric Calogero-Sutherland model related to the Lie algebra $D_4$ in terms of a set of Weyl-invariant variables, namely, the characters of the fundamental representations of the Lie algebra.…

Mathematical Physics · Physics 2015-06-26 J. Fernández Núñez , W. García Fuertes , A. M. Perelomov

The Calogero-Sutherland model is a paradigmatic integrable system describing one-dimensional non-relativistic particles with inverse-square interactions. At interaction strength $\lambda=2$, the CSM exhibits a deep connection to anyon…

Strongly Correlated Electrons · Physics 2026-04-14 Hari Borutta , Andreas Feuerpfeil , Yasir Iqbal

We discuss the connection between the random matrix approach to disordered wires and the Calogero-Sutherland models. We show that different choices of random matrix ensembles correspond to different classes of CS models. In particular, the…

Condensed Matter · Physics 2009-10-28 M. Caselle

We consider the supersymmetric Calogero-Sutherland type N-particle problems in one dimension and show that the corresponding fermionic part can be identified with the generalized X-Y models in the presence of an inhomogeneous magnetic…

Statistical Mechanics · Physics 2008-02-03 Avinash Khare , M. Sivakumar

Several topics related to quantum spin models of Calogero-Sutherland type, partially solvable spin chains and Polychronakos's "freezing trick" are rigorously studied.

Mathematical Physics · Physics 2009-06-08 Alberto Enciso

We use the Jack symmetric functions as a basis of the Fock space, and study the action of the Virasoro generators $L_n$. We calculate explicitly the matrix elements of $L_n$ with respect to the Jack-basis. A combinatorial procedure which…

High Energy Physics - Theory · Physics 2009-11-10 Reiho Sakamoto , Jun'ichi Shiraishi , Daniel Arnaudon , Luc Frappat , Eric Ragoucy

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 introduce a new class of models for interacting particles. Our construction is based on Jacobians for the radial coordinates on certain superspaces. The resulting models contain two parameters determining the strengths of the…

Mathematical Physics · Physics 2010-01-18 Heiner Kohler , Thomas Guhr