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Related papers: Bulk Phase Shift and Singularity

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A modified Hayward black hole is a nonsingular black hole. It is proposed to form when the pressure generated by quantum gravity can stop matter's collapse as the matter reaches Planck density. Strong deflection gravitational lensing…

General Relativity and Quantum Cosmology · Physics 2017-05-02 Shan-Shan Zhao , Yi Xie

The simplest gravity duals for quantum critical theories with z=2 `Lifshitz' scale invariance admit a marginally relevant deformation. Generic black holes in the bulk describe the field theory with a dynamically generated momentum scale…

High Energy Physics - Theory · Physics 2014-11-20 Miranda C. N. Cheng , Sean A. Hartnoll , Cynthia A. Keeler

We study thermalization in the holographic (1+1)-dimensional CFT after simultaneous generation of two high-energy excitations in the antipodal points on the circle. The holographic picture of such quantum quench is the creation of BTZ black…

High Energy Physics - Theory · Physics 2017-10-11 Irina Ya. Aref'eva , Mikhail A. Khramtsov , Maria D. Tikhanovskaya

We investigate the phase transitions of black holes with conformal anomaly in canonical ensemble from different perspectives. Some interesting and novel phase transition phenomena have been discovered. Firstly, we discuss the behavior of…

High Energy Physics - Theory · Physics 2014-04-08 Jie-Xiong Mo , Wen-Biao Liu

The Reissner-Nordstrom black hole provides the prototypical description of a holographic system at finite density. We study the response of this system to the presence of a local, charged impurity. Below a critical temperature, the induced…

High Energy Physics - Theory · Physics 2015-06-23 Mike Blake , Aristomenis Donos , David Tong

In this work, we investigate the entanglement structure in a $\textrm{T}\bar{\textrm{T}}$-deformed holographic CFT$_2$ with a conserved angular momentum. We utilize conformal perturbation theory to compute the leading order correction to…

High Energy Physics - Theory · Physics 2024-10-10 Debarshi Basu , Saikat Biswas

We consider the capacity of entanglement in models related with the gravitational phase transitions. The capacity is labeled by the replica parameter which plays a similar role to the inverse temperature in thermodynamics. In the end of the…

High Energy Physics - Theory · Physics 2021-06-02 Kohki Kawabata , Tatsuma Nishioka , Yoshitaka Okuyama , Kento Watanabe

We consider the absorption problem for a massless scalar field propagating in static and spherically symmetric black holes of arbitrary dimension endowed with a photon sphere. For this wide class of black holes, we show that the…

General Relativity and Quantum Cosmology · Physics 2015-03-17 Yves Décanini , Gilles Esposito-Farèse , Antoine Folacci

We propose that the size of the universe and its rate of expansion cannot be simultaneously specified with arbitrary precision, a quantum mechanical statement encoded in a deformed commutation relation for the scale factor. The deformation…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-15 Savvas M. Koushiappas

There is ample evidence that the bulk dual of a $T\overline{T}$ deformed holographic CFT is a gravitational system with a finite area cutoff boundary. For states dual to black holes, the finite cutoff surface cannot be moved beyond the…

High Energy Physics - Theory · Physics 2025-07-03 Shadi Ali Ahmad , Ahmed Almheiri , Simon Lin

Massive gravities in anti-de Sitter spacetime can be viewed as effective dual field theories of different phases of condensed matter systems with broken translational symmetry such as solids, (perfect) fluids, and liquid crystals. Motivated…

High Energy Physics - Theory · Physics 2020-09-18 A. Dehghani , S. H. Hendi , R. B. Mann

We consider the class of d=4 CFTs at finite temperature and chemical potential that are holographically described within D=5 Einstein-Maxwell theory with a Chern-Simons term. The high temperature phase, which is spatially homogeneous and…

High Energy Physics - Theory · Physics 2013-05-30 Aristomenis Donos , Jerome P. Gauntlett

We consider two-point functions of light fields at finite temperature and large real frequencies in holographic theories. The thermal system is dual to a single-sided AdS black hole. We show that the high-frequency expansion obtained from…

High Energy Physics - Theory · Physics 2026-04-30 Nima Afkhami-Jeddi , Simon Caron-Huot , Joydeep Chakravarty , Alexander Maloney

We study the connection between many-body quantum chaos and energy dynamics for the holographic theory dual to the Kerr-AdS black hole. In particular, we determine a partial differential equation governing the angular profile of…

High Energy Physics - Theory · Physics 2021-12-02 Mike Blake , Richard A. Davison

We give an approach for studying quantum gravity effects on black hole thermodynamics. This combines a quantum framework for gravitational collapse with quasi-local definitions of energy and surface gravity. Our arguments suggest that (i)…

General Relativity and Quantum Cosmology · Physics 2010-05-12 Viqar Husain , R. B. Mann

Motivated by providing preliminary steps to understand the conception of quantum gravity, in this paper, we study the phase structure of a semiclassical gravitational system. We investigate the stability conditions and phase transition of…

High Energy Physics - Theory · Physics 2017-01-19 S. H. Hendi , S. Panahiyan , B. Eslam Panah , M. Momennia

We discuss the relation between singularities of correlation functions and causal properties of the bulk spacetime in the context of the AdS/CFT correspondence. In particular, we argue that the boundary field theory correlation functions…

High Energy Physics - Theory · Physics 2010-10-27 Veronika E Hubeny , Hong Liu , Mukund Rangamani

The photon sphere defines the unstable circular orbit of photons in a black hole spacetime. Photons emitted by a source located inside the photon sphere can be gravitationally lensed by the black hole and have time delays when reaching the…

High Energy Astrophysical Phenomena · Physics 2025-05-28 Yuan-Xing Gao

Dynamic phase transition of charged dilaton black holes is investigated in this paper. We introduce the Gibbs free energy landscape and calculate the corresponding $G_L$ for the dilaton black hole. On the one hand, we numerically solve the…

General Relativity and Quantum Cosmology · Physics 2021-10-27 Jie-Xiong Mo , Shan-Quan Lan

In this paper, we study the shadow cast by two types of charged and slowly rotating black holes in Eisntein-aether theory of gravity. This two types of black holes are corresponding to two specific combinations of the coupling constants of…

General Relativity and Quantum Cosmology · Physics 2019-09-04 Tao Zhu , Qiang Wu , Mubasher Jamil , Kimet Jusufi