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Related papers: Real-time correlators in Kerr/CFT correspondence

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Kerr-Schild perturbations in General Relativity provide a fruitful way of constructing new exact solutions starting from known ones, elucidating also the structure of the spacetimes. We initiate such a study in the context of string theory…

High Energy Physics - Theory · Physics 2021-11-09 Georgios Itsios , Konstantinos Sfetsos , Konstantinos Siampos

The AdS/CFT correspondence is an exact duality between string theory in anti-de Sitter space and conformal field theories on its boundary. Inspired in this correspondence some relations between strings and non conformal field theories have…

High Energy Physics - Theory · Physics 2008-11-26 Henrique Boschi-Filho , Nelson R. F. Braga

The physics of gravitational waves and other classical fields on specifically four-dimensional backgrounds of black holes exhibits electric-magnetic-like dualities. In this paper, we discuss the structure of such dualities in terms of…

High Energy Physics - Theory · Physics 2025-10-08 Sašo Grozdanov , Mile Vrbica

Quadratic quasinormal modes encode fundamental properties of black hole spacetimes. They are also one of the key ingredients of nonlinearities of General Relativity in the ringdown stage of binary black hole coalescence. In this work, we…

General Relativity and Quantum Cosmology · Physics 2025-06-23 Neev Khera , Sizheng Ma , Huan Yang

We consider the quasilocal thermodynamics of rotating black holes in asymptotic de Sitter spacetimes. Using the minimal number of intrinsic boundary counterterms, we carry out an analysis of the quasilocal thermodynamics of Kerr-de Sitter…

High Energy Physics - Theory · Physics 2009-11-07 M. H. Dehghani

We study the thermodynamic properties of warped AdS$_3$ black hole within the framework of thermodynamic information geometry. Our analysis focuses on finding the set of proper thermodynamic Riemannian metrics on the space of equilibrium…

High Energy Physics - Theory · Physics 2019-06-19 H. Dimov , R. C. Rashkov , T. Vetsov

We study the asymptotic Virasoro symmetry which acts on the near-horizon region of extremal four-dimensional black hole solutions of gravity theories with higher-derivative corrections, following the recently proposed Kerr/CFT…

High Energy Physics - Theory · Physics 2009-11-19 Tatsuo Azeyanagi , Geoffrey Compère , Noriaki Ogawa , Yuji Tachikawa , Seiji Terashima

We discuss a simple derivation of the real-time AdS/CFT prescription as an analytic continuation of the corresponding problem in Euclidean signature. We then extend the formalism to spinor operators and apply it to the examples of real-time…

High Energy Physics - Theory · Physics 2009-09-03 Nabil Iqbal , Hong Liu

Considering theories in sectors of large global charge $Q$ results in a semiclassical effective field theory (EFT) description for some strongly-coupled conformal field theories (CFTs) with continuous global symmetries. Hence, when studying…

High Energy Physics - Theory · Physics 2018-09-26 Orestis Loukas , Domenico Orlando , Susanne Reffert , Debajyoti Sarkar

We present a new twisted rotating black hole solution by performing Demia{\'n}ski-Newman-Janis algorithm to the electrically and dyonically charged black hole with quintessence in Rastall theory of gravity. Using our black hole solution, we…

General Relativity and Quantum Cosmology · Physics 2020-01-10 M. F. A. R. Sakti , A. Suroso , F. P. Zen

We investigate the quasinormal spectrum of electromagnetic perturbations of rotating black strings. Among the solutions of Einstein equations in the presence of a negative cosmological constant there are asymptotically anti-de Sitter (AdS)…

High Energy Physics - Theory · Physics 2014-08-11 Jaqueline Morgan , Alex S. Miranda , Vilson T. Zanchin

In the present work we study numerically quasi-equatorial lensing by the charged, stationary, axially-symmetric Kerr-Sen dilaton-axion black hole in the strong deflection limit. In this approximation we compute the magnification and the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Galin N. Gyulchev , Stoytcho S. Yazadjiev

We analyze the effects of the back reaction due to a conformal field theory (CFT) on a black hole spacetime with negative cosmological constant. We study the geometry numerically obtained by taking into account the energy momentum tensor of…

General Relativity and Quantum Cosmology · Physics 2013-10-15 Kazumi Kashiyama , Norihiro Tanahashi , Antonino Flachi , Takahiro Tanaka

We study solutions of type IIB supergravity which are SL(2,R) x SU(2) x U(1)^2 invariant deformations of AdS_3 x S^3 x K3 and take the form of products of self-dual spacelike warped AdS_3 and a deformed three-sphere. One of these…

High Energy Physics - Theory · Physics 2015-05-30 Sheer El-Showk , Monica Guica

In this short note we extend the work of 1401.3746 about gravity waves by a massive orbiting star in an extremal Kerr black hole to an extremal Kerr- Newman black hole for scalar radiation, and still find that it has a CFT interpretation…

High Energy Physics - Theory · Physics 2014-07-16 Nan Bai , Yi-Hong Gao , Xiao-bao Xu

The Kerr metric is known to present issues when trying to find an interior solution. In this work we continue in our efforts to construct a more realistic exterior metric for astrophysical objects. A new approximate metric representing the…

General Relativity and Quantum Cosmology · Physics 2016-09-02 Francisco Frutos-Alfaro , Paulo Montero-Camacho

We investigate how the gravitational effects of a black hole manifest themselves as thermal behavior in the dual finite-temperature conformal field theory (CFT). In the holographic framework of AdS/CFT, we analyze a wave packet propagating…

High Energy Physics - Theory · Physics 2026-01-23 Norihiro Tanahashi , Seiji Terashima , Shiki Yoshikawa

This paper is a study of a spacelike-timelike conformal correspondence in QCD. When the times at vertices are fixed in an A_+ = 0 gauge calculation the distribution of gluons in a highly virtual decay have an exact correspondence with the…

High Energy Physics - Theory · Physics 2018-09-26 Alfred H. Mueller

Observational evidence for black hole spin down has been found in the normalized light curves of long GRBs in the BATSE catalogue. Over the duration $T_{90}$ of the burst, matter swept up by the central black hole is susceptible to…

General Relativity and Quantum Cosmology · Physics 2015-03-17 Maurice H. P. M. van Putten , Nobuyuki Kanda , Hideyuki Tagoshi , Daisuke Tatsumi , Fujimoto Masa-Katsu , Massimo Della Valle

We present orthogonality relations for quasinormal modes of a wide class of asymptotically AdS black holes. The definition is obtained from a standard product, modified by a CPT operator and placed on a complex radial contour which avoids…

High Energy Physics - Theory · Physics 2025-10-20 Paolo Arnaudo , Javier Carballo , Benjamin Withers