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Representation theory and the theory of symmetric functions have played a central role in Random Matrix Theory in the computation of quantities such as joint moments of traces and joint moments of characteristic polynomials of matrices…

数学物理 · 物理学 2025-04-18 Bhargavi Jonnadula , Jonathan P. Keating , Francesco Mezzadri

The eigenvalue density for members of the Gaussian orthogonal and unitary ensembles follows the Wigner semi-circle law. If the Gaussian entries are all shifted by a constant amount c/Sqrt(2N), where N is the size of the matrix, in the large…

数学物理 · 物理学 2009-04-21 Kevin E. Bassler , Peter J. Forrester , Norman E. Frankel

As a unifying framework for examining several properties that nominally involve eigenvalues, we present a particular structure of the singular values of the Gaussian orthogonal ensemble (GOE): the even-location singular values are…

概率论 · 数学 2015-04-27 Folkmar Bornemann , Michael La Croix

In recent studies of many-body localization in nonintegrable quantum systems, the distribution of the ratio of two consecutive energy level spacings, $r_n=(E_{n+1}-E_n)/(E_{n}-E_{n-1})$ or $\tilde{r}_n=\min(r_n,r_n^{-1})$, has been used as…

数学物理 · 物理学 2024-09-04 Shinsuke M. Nishigaki

For the orthogonal-unitary and symplectic-unitary transitions in random matrix theory, the general parameter dependent distribution between two sets of eigenvalues with two different parameter values can be expressed as a quaternion…

介观与纳米尺度物理 · 物理学 2009-10-31 P. J. Forrester , T. Nagao , G. Honner

We characterize the phenomenon of "crowding" near the largest eigenvalue $\lambda_{\max}$ of random $N \times N$ matrices belonging to the Gaussian $\beta$-ensemble of random matrix theory, including in particular the Gaussian orthogonal…

数学物理 · 物理学 2016-01-08 Anthony Perret , Gregory Schehr

We prove multi-dimensional central limit theorems for the spectral moments (of arbitrary degrees) associated with random matrices with real-valued i.i.d. entries, satisfying some appropriate moment conditions. Our techniques rely on a…

概率论 · 数学 2009-09-30 Ivan Nourdin , Giovanni Peccati

A finite dimensional quantum system for which the quantum chaos conjecture applies has eigenstates, which show the same statistical properties than the column vectors of random orthogonal or unitary matrices. Here, we consider the different…

数学物理 · 物理学 2017-10-05 L. Alonso , T. Gorin

We study a class of interacting particle systems on $\mathbb{R}$ which was recently investigated by F. G\"otze and the second author [GV14]. These ensembles generalize eigenvalue ensembles of Hermitian random matrices by allowing different…

概率论 · 数学 2018-05-31 Thomas Kriecherbauer , Martin Venker

We evaluate averages involving characteristic polynomials, inverse characteristic polynomials and ratios of characteristic polynomials for a $N\times N$ random matrix taken from a $L$-deformed Chiral Gaussian Unitary Ensemble with an…

数学物理 · 物理学 2018-03-19 Yan V Fyodorov , Jacek Grela , Eugene Strahov

We analyze statistical properties of the complex system with conditions which manifests through specific constraints on the column/row sum of the matrix elements. The presence of additional constraints besides symmetry leads to new…

统计力学 · 物理学 2015-10-28 Pragya Shukla , Suchetana Sadhukhan

We calculate analytically the probability of large deviations from its mean of the largest (smallest) eigenvalue of random matrices belonging to the Gaussian orthogonal, unitary and symplectic ensembles. In particular, we show that the…

统计力学 · 物理学 2009-11-11 David S. Dean , Satya N. Majumdar

Spectral correlations in unitary invariant, non-Gaussian ensembles of large random matrices possessing an eigenvalue gap are studied within the framework of the orthogonal polynomial technique. Both local and global characteristics of…

统计力学 · 物理学 2009-10-30 E. Kanzieper , V. Freilikher

In this paper we examine the zero and first order eigenvalue fluctuations for the $\beta$-Hermite and $\beta$-Laguerre ensembles, using the matrix models we described in \cite{dumitriu02}, in the limit as $\beta \to \infty$. We find that…

数学物理 · 物理学 2015-06-26 Ioana Dumitriu , Alan Edelman

We consider the large deviations of the smallest eigenvalue of the Wishart-Laguerre Ensemble. Using the Coulomb gas picture we obtain rate functions for the large fluctuations to the left and the right of the hard edge. Our findings are…

无序系统与神经网络 · 物理学 2015-05-19 Eytan Katzav , Isaac Pérez Castillo

The probability distribution of the closest neighbor and farther neighbor spacings from a given level have been studied for interacting fermion/boson systems with and without spin degree of freedom constructed using an embedded GOE of one…

统计力学 · 物理学 2021-03-16 Priyanka Rao , H. N. Deota , N. D. Chavda

We show that the Riemannian Gaussian distributions on symmetric spaces, introduced in recent years, are of standard random matrix type. We exploit this to compute analytically marginals of the probability density functions. This can be done…

数学物理 · 物理学 2021-10-29 Leonardo Santilli , Miguel Tierz

We consider ensembles of random matrices, known as biorthogonal ensembles, whose eigenvalue probability density function can be written as a product of two determinants. These systems are closely related to multiple orthogonal functions. It…

数学物理 · 物理学 2012-08-13 Patrick Desrosiers , Peter J. Forrester

The Chiral Random Matrix Model or the Gaussian Penner Model (generalized Laguerre ensemble) is re-examined in the light of the results which have been found in double well matrix models [D97,BD99] and subtleties discovered in the single…

统计力学 · 物理学 2007-05-23 N. Deo

We derive expansions of the resolvent Rn(x;y;t)=(Qn(x;t)Pn(y;t)-Qn(y;t)Pn(x;t))/(x-y) of the Hermite kernel Kn at the edge of the spectrum of the finite n Gaussian Unitary Ensemble (GUEn) and the finite n expansion of Qn(x;t) and Pn(x;t).…

数学物理 · 物理学 2009-11-13 Leonard N. Choup