English
Related papers

Related papers: Higher Genus Correlators from the Hermitian One-Ma…

200 papers

We describe an iterative scheme which allows us to calculate any multi-loop correlator for the complex matrix model to any genus using only the first in the chain of loop equations. The method works for a completely general potential and…

High Energy Physics - Theory · Physics 2015-06-26 J. Ambjorn , C. F. Kristjansen , Y. M. Makeenko

An iterative scheme is set up for solving the loop equation of the hermitian one-matrix model with a multi-cut structure. Explicit results are presented for genus one for an arbitrary but finite number of cuts. Due to the complicated form…

High Energy Physics - Theory · Physics 2009-10-30 G. Akemann

We calculate genus one corrections to Hermitian one-matrix model solution with arbitrary number of cuts directly from the loop equation confirming the answer previously obtained from algebro-geometrical considerations and generalizing it to…

High Energy Physics - Theory · Physics 2011-07-19 L. Chekhov

We propose an improved iterative scheme for calculating higher genus contributions to the multi-loop (or multi-point) correlators and the partition function of the hermitian one matrix model. We present explicit results up to genus two. We…

High Energy Physics - Theory · Physics 2009-10-22 J. Ambjørn , L. Chekhov , C. F. Kristjansen , Yu. Makeenko

Following the program, proposed in hep-th/0310113, of systematizing known properties of matrix model partition functions (defined as solutions to the Virasoro-like sets of linear differential equations), we proceed to consideration of…

High Energy Physics - Theory · Physics 2009-05-01 A. Alexandrov , A. Mironov , A. Morozov

The loop equation for the complex one-matrix model with a multi-cut structure is derived and solved in the planar limit. An iterative scheme for higher genus contributions to the free energy and the multi-loop correlators is presented for…

High Energy Physics - Theory · Physics 2007-05-23 Gernot Akemann

In the BMN approach to N=4 SYM a large class of correlators of interest are expressible in terms of expectation values of traces of words in a zero-dimensional Gaussian complex matrix model. We develop a loop-equation based, analytic…

High Energy Physics - Theory · Physics 2009-11-07 B. Eynard , C. Kristjansen

We obtain the topological expansion of the hermitian matrix model using its representation as a CFT on a hyperelliptic Riemann surface. To each branch point of the Riemann surface we associate an operator which represents a twist field…

High Energy Physics - Theory · Physics 2014-11-20 Ivan Kostov

Macroscopic loop correlators are investigated in the hermitian one matrix model with the potential perturbed by the higher order curvature term. In the phase of smooth surfaces the model is equivalent to the minimal conformal matter coupled…

High Energy Physics - Theory · Physics 2009-10-22 G. P. Korchemsky

We rewrite the loop equations of the hermitian matrix model, in a way which allows to compute all the correlation functions, to all orders in the topological $1/N^2$ expansion, as residues on an hyperelliptical curve. Those residues, can be…

High Energy Physics - Theory · Physics 2008-11-26 B. Eynard

We consider two different genus expansions of the free energy functions of Hermitian one-matrix models, one using fat graphs, one using ordinary graphs (thin graphs). Some structural results are first proved for the thin version of genus…

Mathematical Physics · Physics 2018-10-01 Jian Zhou

The correlation functions of one-dimensional Hubbard model in the presence of external magnetic field was investigated through the conformal field technique. The long distance behaviour of the correlation functions and their critical…

Strongly Correlated Electrons · Physics 2015-07-28 Nelson Nenuwe , John O. A. Idiodi

Pseudo-Hermitian system is a class of non-Hermitian system with Hamiltonian satisfying the condition $\eta^{-1}H^\dagger\eta=H$. We develop the in-in and Schwinger Keldysh formalism to calculate cosmological correlators for pseudo-Hermitian…

High Energy Physics - Theory · Physics 2024-08-15 Yao Bai , Ting-Long Feng , Suro Kim , Cheng-Yang Lee , Lei-Hua Liu , Wangping Zhao , Siyi Zhou

We give a complete description of the genus expansion of the one-cut solution to the generalized Penner model. The solution is presented in a form which allows us in a very straightforward manner to localize critical points and to…

High Energy Physics - Theory · Physics 2009-10-28 J. Ambjorn , Yu. Makeenko , C. F. Kristjansen

A large class of deconstructed Higgsless model is known to satisfy the tree-level experimental bounds on the electroweak precision parameters. In particular, an approximate custodial symmetry insures that the tree-level $\rho$ parameter is…

High Energy Physics - Phenomenology · Physics 2010-10-27 Baradhwaj Coleppa , Stefano Di Chiara , Roshan Foadi

We study the sudden expansion of strongly correlated fermions in a one-dimensional lattice, utilizing the time-dependent density-matrix renormalization group method. Our focus is on the behavior of experimental observables such as the…

Strongly Correlated Electrons · Physics 2008-07-18 F. Heidrich-Meisner , M. Rigol , A. Muramatsu , A. E. Feiguin , E. Dagotto

We study the large-$N$ limit of adjoint fermion one-matrix models. We find one-cut solutions of the loop equations for the correlators of these models and show that they exhibit third order phase transitions associated with $m$-th order…

High Energy Physics - Theory · Physics 2009-10-28 Nicole Marshall , Gordon W. Semenoff , Richard J. Szabo

We present an exact solution of the $O(n)$ model on a random lattice. The coupling constant space of our model is parametrized in terms of a set of moment variables and the same type of universality with respect to the potential as observed…

High Energy Physics - Theory · Physics 2008-11-26 B. Eynard , C. Kristjansen

The behavior of correlation functions is studied in a class of matrix models characterized by a measure $\exp(-S)$ containing a potential term and an external source term: $S=N\tr(V(M)-MA)$. In the large $N$ limit, the short-distance…

Condensed Matter · Physics 2009-10-30 P. Zinn-Justin

Topological Recursion generates a family of symmetric differential forms (correlators) from some initial data $(\Sigma,x,y,B)$. We give a functional relation between the correlators of genus $g=0$ generated by the initial data…

Mathematical Physics · Physics 2024-09-09 Alexander Hock
‹ Prev 1 2 3 10 Next ›