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Related papers: Non-Perturbative JT Gravity

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Some recently proposed definitions of Jackiw-Teitelboim gravity and supergravities in terms of combinations of minimal string models are explored, with a focus on physics beyond the perturbative expansion in spacetime topology. While this…

High Energy Physics - Theory · Physics 2021-02-24 Clifford V. Johnson

It is shown how to non-perturbatively define a random matrix model that captures key physics of ${\cal N}{=}2$ Jackiw-Teitelboim (JT) supergravity, going well beyond the perturbative topological expansion defined recently by Turiaci and…

High Energy Physics - Theory · Physics 2025-05-19 Clifford V. Johnson

This is a careful examination of the key components of a large $N$ random matrix model method for going beyond ordinary JT gravity's topological expansion to define non-perturbative physics. It is offered as a simple and (hopefully) clear…

High Energy Physics - Theory · Physics 2022-06-03 Clifford V. Johnson

Recent work has shown that certain deformations of the scalar potential in Jackiw-Teitelboim gravity can be written as double-scaled matrix models. However, some of the deformations exhibit an apparent breakdown of unitarity in the form of…

High Energy Physics - Theory · Physics 2021-05-07 Clifford V. Johnson , Felipe Rosso

Aspects of the low energy physics of certain Jackiw-Teitelboim gravity and supergravity theories are explored, using their recently presented non-perturbative description in terms of minimal string models. This regime necessarily involves…

High Energy Physics - Theory · Physics 2021-04-14 Clifford V. Johnson

It is proposed that a family of Jackiw-Teitelboim supergravites, recently discussed in connection with matrix models by Stanford and Witten, can be given a complete definition, to all orders in the topological expansion and beyond, in terms…

High Energy Physics - Theory · Physics 2021-02-24 Clifford V. Johnson

We review recent developments in Jackiw-Teitelboim (JT) gravity. This is a simple solvable model of quantum gravity in two dimensions (that arises e.g. from the s-wave sector of higher dimensional gravity systems with spherical symmetry).…

High Energy Physics - Theory · Physics 2023-08-22 Thomas G. Mertens , Gustavo J. Turiaci

A large class of two dimensional quantum gravity theories of Jackiw-Teitelboim form have a description in terms of random matrix models. Such models, treated fully non-perturbatively, can give an explicit and tractable description of the…

High Energy Physics - Theory · Physics 2021-11-10 Clifford V. Johnson

Jackiw Teitelboim (JT) gravity has proven to be an excellent tool for investigating aspects of quantum gravity and black hole physics. In recent years, the study of JT gravity and its deformations has helped us learn about the different…

High Energy Physics - Theory · Physics 2024-07-04 Eoin Dowd , Gaston Giribet

We investigate the nonperturbative structure of Jackiw-Teitelboim gravity at finite cutoff, as given by its proposed formulation in terms of a $T\bar{T}$-deformed Schwarzian quantum mechanics. Our starting point is a careful computation of…

High Energy Physics - Theory · Physics 2022-03-14 Luca Griguolo , Rodolfo Panerai , Jacopo Papalini , Domenico Seminara

The interplay between black hole interior dynamics and quantum chaos provides a crucial framework for probing quantum effects in quantum gravity. In this work, we investigate non-perturbative overlaps in Jackiw-Teitelboim (JT) gravity to…

High Energy Physics - Theory · Physics 2025-08-01 Masamichi Miyaji , Shan-Ming Ruan , Shono Shibuya , Kazuyoshi Yano

We construct a Hermitian random matrix model that provides a stable non-perturbative completion of Cangemi-Jackiw (CJ) gravity, a two-dimensional theory of flat spacetimes. The matrix model reproduces, to all orders in the topological…

High Energy Physics - Theory · Physics 2022-11-23 Arjun Kar , Lampros Lamprou , Charles Marteau , Felipe Rosso

It is well-known that the partition function of the Jackiw-Teitelboim (JT) gravity is obtained by an integral transformation of volumes of moduli spaces for Riemann surfaces, also known as the Weil-Petersson volumes. This fact enables us to…

High Energy Physics - Theory · Physics 2025-05-23 Yasuyuki Hatsuda , Takaki Matsumoto , Kazumi Okuyama

We show that the partition function of quantum Jackiw-Teitelboim (JT) gravity, including topological fluctuations, is equivalent to the partition function of a Maass-Laplace operator of large -- imaginary -- weight acting on non-compact,…

High Energy Physics - Theory · Physics 2019-11-26 Antonio M. García-García , Salomón Zacarías

Jackiw-Teitelboim (JT) gravity in two-dimensional de Sitter space is an intriguing toy model for a quantum mechanical description of an inflationary phase of the universe, including initial conditions. Starting from exact solutions of the…

High Energy Physics - Theory · Physics 2026-04-01 Wilfried Buchmuller , Alexander Westphal

With non-perturbative de Sitter gravity and holography in mind, we deduce the genus expansion of de Sitter Jackiw-Teitelboim (dS JT) gravity. We find that this simple model of quantum cosmology has an effective string coupling which is pure…

High Energy Physics - Theory · Physics 2025-03-28 Jordan Cotler , Kristan Jensen

We consider gravitational perturbations of 2D dilaton gravity systems and show that these can be recast into $T\bar{T}$-deformations (at least) under certain conditions, where $T$ means the energy-momentum tensor of the matter field coupled…

High Energy Physics - Theory · Physics 2019-07-04 Takaaki Ishii , Suguru Okumura , Jun-ichi Sakamoto , Kentaroh Yoshida

It is shown that the distribution of the lowest energy eigenvalue of the quantum completions of Jackiw-Teitelboim gravity is completely described by a non-linear ordinary differential equation (ODE) arising from a non-perturbative treatment…

High Energy Physics - Theory · Physics 2022-06-03 Clifford V. Johnson

We study closed universes in simple models of two dimensional gravity, such as Jackiw-Teiteilboim (JT) gravity coupled to matter, and a toy topological model that captures the key features of the former. We find there is a stark contrast,…

High Energy Physics - Theory · Physics 2024-08-16 Mykhaylo Usatyuk , Zi-Yue Wang , Ying Zhao

It was proven recently that JT gravity can be defined as an ensemble of L x L Hermitian matrices. We point out that the eigenvalues of the matrix correspond in JT gravity to FZZT-type boundaries on which spacetimes can end. We then…

High Energy Physics - Theory · Physics 2021-04-13 Andreas Blommaert , Thomas G. Mertens , Henri Verschelde
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