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相关论文: Weak Gravity Conjecture of Charged-Rotating-AdS Bl…

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We argue that one of the following statements must be true: (a) extensive violations of quantum information theory's additivity conjectures exist or (b) there exists a set of `disentangled' black hole microstates that can account for the…

高能物理 - 理论 · 物理学 2020-12-16 Patrick Hayden , Geoff Penington

One version of the Weak Gravity Conjecture requires that it should be possible for an extremal black hole to emit a smaller black hole: that is, the original black hole bifurcates. For asymptotically flat and asymptotically AdS…

广义相对论与量子宇宙学 · 物理学 2022-08-31 Brett McInnes

We pioneer the black hole mass gap as a powerful new tool for constraining modified gravity theories. These theories predict fifth forces that alter the structure and evolution of population-III stars, exacerbating the pair-instability.…

广义相对论与量子宇宙学 · 物理学 2020-12-16 Maria C. Straight , Jeremy Sakstein , Eric J. Baxter

We use the entropy function formalism to study the effect of the Gauss-Bonnet term on the entropy of spherically symmetric extremal black holes in heterotic string theory in four dimensions. Surprisingly the resulting entropy and the near…

高能物理 - 理论 · 物理学 2009-11-11 Ashoke Sen

Based on well-known properties of semi-classical black holes, we show that weakly-coupled string theory can be viewed as a theory of N = 1/g_s^2 particle species. This statement is a string theoretic realization of the fact that the…

高能物理 - 理论 · 物理学 2010-04-22 Gia Dvali , Cesar Gomez

The aim of this letter is to study the universal thermodynamics and criticality of charged AdS black holes with string clouds in the bulk and in the boundary conformal field theory (CFT). For this system, we determined the critical…

高能物理 - 理论 · 物理学 2025-04-30 Aditya Singh , Sandip Mahish

In this paper, we explore the intriguing interplay between fundamental theoretical physics concepts within the context of charged black holes. Specifically, we focus on the consistency of the weak gravity conjecture (WGC) and weak cosmic…

高能物理 - 理论 · 物理学 2024-12-13 Jafar Sadeghi , Saeed Noori Gashti , Mohammad Reza Alipour , Mohammad Ali S. Afshar

Among various strong-curvature extensions to General Relativity, Einstein-Dilaton-Gauss-Bonnet gravity stands out as the only nontrivial theory containing quadratic curvature corrections while being free from the Ostrogradsky instability to…

广义相对论与量子宇宙学 · 物理学 2018-03-05 Andrea Maselli , Paolo Pani , Leonardo Gualtieri , Valeria Ferrari

For most black holes in string theory, the Schwarzschild radius in string units decreases as the string coupling is reduced. We formulate a correspondence principle, which states that (i) when the size of the horizon drops below the size of…

高能物理 - 理论 · 物理学 2009-10-09 Gary T. Horowitz , Joseph Polchinski

Gravitational backgrounds, such as black holes, AdS, de Sitter and inflationary universes, should be viewed as composite of N soft constituent gravitons. It then follows that such systems are close to quantum criticality of graviton…

高能物理 - 理论 · 物理学 2015-06-18 Gia Dvali , Cesar Gomez

The equivalence principle and its universality enables the geometrical formulation of gravity. In the standard formulation of General Relativity \'a la Einstein, the gravitational interaction is geometrized in terms of the spacetime…

广义相对论与量子宇宙学 · 物理学 2022-11-23 Lavinia Heisenberg , Simon Kuhn , Laurens Walleghem

Due to quantum fluctuations, a black hole of mass $M$ represents an average over an ensemble of black hole geometries with angular momentum. This observation is apparently at odds with the fact that the curvature singularity inside a…

广义相对论与量子宇宙学 · 物理学 2018-11-14 Eugenio Bianchi , Hal M. Haggard

We explore the consistent truncation of conserved charges in Quadratic Curvature Gravity (QCG) with anti-de Sitter asymptotics to the linear order in the Weyl tensor. The QCG action is given by the most general curvature-squared corrections…

高能物理 - 理论 · 物理学 2023-08-29 Olivera Miskovic , Rodrigo Olea , Eleftherios Papantonopoulos , Yoel Parra-Cisterna

The authors of arXiv:1610.01533 have recently proposed a stronger version of the weak gravity conjecture (WGC), based on which they concluded that all those non-supersymmetric AdS vacua that can be embedded within a constistent theory of…

高能物理 - 理论 · 物理学 2017-08-02 Ulf Danielsson , Giuseppe Dibitetto

Based on string theory, loop quantum gravity, black hole physics, and other theories of quantum gravity, physicists have proposed generalized uncertainty principle (GUP) modifications. In this work, within the framework of GUP-gravity…

广义相对论与量子宇宙学 · 物理学 2023-11-28 Meirong Tang

2+1-dimensional Anti-deSitter gravity is quantized in the presence of an external scalar field. We find that the coupling between the scalar field and gravity is equivalently described by a perturbed conformal field theory at the boundary…

高能物理 - 理论 · 物理学 2009-10-31 Roberto Emparan , Ivo Sachs

We investigate the black hole solution to (2+1)-dimensional gravity coupled to topological matter, with a vanishing cosmological constant. We calculate the total energy, angular momentum and entropy of the black hole in this model and…

广义相对论与量子宇宙学 · 物理学 2010-04-28 S. Carlip , J. Gegenberg , R. B. Mann

We test various conjectures about quantum gravity for six-dimensional string compactifications in the framework of F-theory. Starting with a gauge theory coupled to gravity, we analyze the limit in K\"ahler moduli space where the gauge…

高能物理 - 理论 · 物理学 2018-11-14 Seung-Joo Lee , Wolfgang Lerche , Timo Weigand

We construct a new class of rotating AdS black hole solutions with non-compact event horizons of finite area in any dimension and study their thermodynamics. In four dimensions these black holes are solutions to gauged supergravity. We find…

高能物理 - 理论 · 物理学 2015-07-22 Robie A. Hennigar , David Kubiznak , Robert B. Mann

We review work done over the last years on the macroscopic and microscopic entropy of supersymmetric black holes in fourdimensional N=2 supergravity and in N=2 compactifications of string theory and M-theory. Particular emphasis is put on…

高能物理 - 理论 · 物理学 2016-10-26 Thomas Mohaupt