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At coupling strengths lambda = 1/2, 1, or 2, the Calogero-Sutherland model (CSM) is related to Brownian motion in a Wigner-Dyson random matrix ensemble with orthogonal, unitary, or symplectic symmetry. Using this relation in conjunction…

Condensed Matter · Physics 2009-10-28 M. R. Zirnbauer , F. D. M. Haldane

We derive an exact expression for the single particle Green function in the Calogero-Sutherland model for all rational values of the coupling $\beta$. The calculation is based on Jack polynomial techniques and the results are given in the…

High Energy Physics - Theory · Physics 2009-10-28 D. Serban , F. Lesage , V. Pasquier

We find that correlation functions at one dimension are crucially affected by the curvature of the bare single particle spectrum. Parabolic curvature leads to two closely related phenomena: the Green's function exhibits oscillation (as a…

Mesoscale and Nanoscale Physics · Physics 2009-03-23 D. B. Gutman

Using a recently developed approach for solving the three dimensional Dirac equation with spherical symmetry, we obtain simple representations for the Green's function of the Dirac-Oscillator and Dirac-Coulomb problems. This is accomplished…

Mathematical Physics · Physics 2007-05-23 A. D. Alhaidari

We give a proof of a conjecture of Lehrer and Shoji regarding the occurrences of the exterior powers of the reflection representation in the cohomology of Springer fibers. The actual theorem proved is a slight extension of the original…

Representation Theory · Mathematics 2011-06-22 Eric Sommers

We compute the dynamical Green function and density-density correlation in the Calogero-Sutherland model for all integer values of the coupling constant. An interpretation of the intermediate states in terms of quasi-particles is found.

High Energy Physics - Theory · Physics 2009-10-28 F. Lesage , V. Pasquier , D. Serban

Green's conjecture is proved for smooth curves C lying on a rational surface S with an anticanonical pencil, under some mild hypotheses on the line bundle L defined by C. Constancy of Clifford dimension, Clifford index and gonality of…

Algebraic Geometry · Mathematics 2013-02-13 Margherita Lelli-Chiesa

In the paper we show the equality between the Lempert function and the Green function with two poles with equal weights in the bidisc thus giving the positive answer to a conjecture of Coman in the simplest unknown case. Actually, a…

Complex Variables · Mathematics 2014-11-18 Lukasz Kosinski , Pascal J. Thomas , Wlodzimierz Zwonek

We show that the single-particle Green's functions used in many body theory have an elegant description in the form of hyperfunctions. We summarize the necessary hyperfunction concepts. We show that the analytical properties and the…

Strongly Correlated Electrons · Physics 2022-04-22 Roman Smit

Basing on the relation between the Coulomb Green function and the Green function of harmonic oscillator, the algebraic representation of the many-particle Coulomb Green function in the form of annihilation and creation operators is…

Quantum Physics · Physics 2007-05-23 Nguyen Hoang Quoc , Nguyen Ngoc Ty , Le Van Hoang , Nguyen Khac Nhap

We demonstrate that the exact form-factors of the Calogero-Sutherland model which were recently found in Ref.[10] in confirmation of the congectures earlier made by Haldane (Ref.[9]) can be reproduced in the framework of some bosonization…

Condensed Matter · Physics 2009-10-22 D. V. Khveshchenko

Explicit-exact expressions for the particle propagator of the spin 1/2 Calogero-Sutherland model are derived for the system of a finite number of particles and for that in the thermodynamic limit. Derivation of the expression in the…

Strongly Correlated Electrons · Physics 2014-07-15 Ryota Nakai , Yusuke Kato

Higher Green functions are real-valued functions of two variables on the upper half plane which are bi-invariant under the action of a congruence subgroup, have logarithmic singularity along the diagonal, but instead of the usual equation…

Number Theory · Mathematics 2008-04-22 Anton Mellit

This paper contains a proof of a conjecture of Braverman concerning Laumon quasiflag spaces. We consider the generating function Z(m), whose coefficients are the integrals of the equivariant Chern polynomial (with variable m) of the tangent…

Algebraic Geometry · Mathematics 2009-11-25 Andrei Negut

In the present note, we give a short proof of Brennan's conjecture in the special case of continuous semigroups of holomorphic functions. We apply classical techniques of complex analysis in conjunction with recent results on…

Complex Variables · Mathematics 2025-04-15 Alexandru Aleman , Athanasios Kouroupis

We prove existence of conjugate Galois representations, and we use it to derive a simple method of weight reduction. As a consequence, an alternative proof of the level 1 case of Serre's conjecture follows.

Number Theory · Mathematics 2008-02-26 Luis Dieulefait

The Green-Lazarsfeld secant conjecture predicts that the syzygies of a curve of sufficiently high degree are controlled by its special secants. We prove this conjecture for all curves of Clifford index at least two and not bielliptic and…

Algebraic Geometry · Mathematics 2021-10-11 Daniele Agostini

A method is given to obtain the Green's function for the Poisson equation in any arbitrary integer dimension under periodic boundary conditions. We obtain recursion relations which relate the solution in d-dimensional space to that in…

Mathematical Physics · Physics 2009-11-11 Sandeep Tyagi

We develop Green's function formalism to describe continuous multi-layered quasi-one-dimensional setups described by piece-wise constant single-particle Hamiltonians. The Hamiltonians of the individual layers are assumed to be quadratic…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Kiryl Piasotski , Mikhail Pletyukhov , Alexander Shnirman

We will simplify earlier proofs of Perelman's collapsing theorem for 3-manifolds given by Shioya-Yamaguchi and Morgan-Tian. Among other things, we use Perelman's critical point theory (e.g., multiple conic singularity theory and his…

Differential Geometry · Mathematics 2010-10-12 Jianguo Cao , Jian Ge
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