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Classes of exact static solutions in four-dimensional Einstein-Maxwell-Dilaton gravity are found. Besides of the well-known solutions previously found in the literature, new solutions are presented.It's shown that spherically symmetric…

广义相对论与量子宇宙学 · 物理学 2009-10-31 S. Yazadjiev

In this paper, we investigate the critical behavior of charged black holes of Einstein-Maxwell-dilaton gravity in the presence of two Liouville-type potentials which make the solution asymptotically neither flat nor AdS and has a parameter…

高能物理 - 理论 · 物理学 2015-05-12 M. H. Dehghani , S. Kamrani , A. Sheykhi

We construct higher-derivative gravity theories in three dimensions that admit holographic $c$-theorems and exhibit a unique maximally symmetric vacuum, at arbitrary order $n$ in the curvature. We show that these theories exhibit special…

The critical behavior of semi-infinite $d$-dimensional systems with $n$-component order parameter $\bm{\phi}$ and short-range interactions is investigated at an $m$-axial bulk Lifshitz point whose wave-vector instability is isotropic in an…

统计力学 · 物理学 2007-05-23 H. W. Diehl , A. Gerwinski , S. Rutkevich

We investigate the global properties of black brane solutions of a three-parameter Einstein-Maxwell model nonminimally coupled to a scalar with exponential potential. The black brane solutions of this model have recently been investigated…

广义相对论与量子宇宙学 · 物理学 2015-06-11 S. Mignemi

We give a general class of static, spherically symmetric, non-asymptotically flat and asymptotically non-(anti) de Sitter black hole solutions in Einstein-Maxwell-Dilaton (EMD) theory of gravity in 4-dimensions. In this general study we…

广义相对论与量子宇宙学 · 物理学 2010-04-22 S. Habib Mazharimousavi , M. Halilsoy , I. Sakalli , O. Gurtug

We present the study of exact inhomogeneous cosmological solutions to a four-dimensional low energy limit of string theory containing non-minimal interacting electromagnetic, dilaton and axion fields. We analyze Einstein-Rosen solutions of…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Luis A. Lopez , Nora Breton

The geometries with SL$(2,\mathbb{R})$ and some axial U$(1)$ isometries are called ``near-horizon extremal geometries" and are found usually, but not necessarily, in the near-horizon limit of the extremal black holes. We present a new…

广义相对论与量子宇宙学 · 物理学 2024-02-22 Kamal Hajian

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…

高能物理 - 理论 · 物理学 2014-11-20 Miranda C. N. Cheng , Sean A. Hartnoll , Cynthia A. Keeler

We construct analytic extensions across the Killing horizons of non-extremal and extremal dipole black rings in Einstein-Maxwell's theory using different methods. We show that these extensions are non-globally hyperbolic, have multiple…

高能物理 - 理论 · 物理学 2014-12-23 Jay Armas

We study quantum criticality in a holographic Einstein--Maxwell--Dilaton--Axion (EMDA) p-wave superconductor exhibiting a superconductor--insulator transition (SIT). By tracking the superconducting energy gap, we show that approaching the…

高能物理 - 理论 · 物理学 2026-05-18 Zhe Yang , Fang-Jing Cheng , Guoyang Fu , Yi Ling , Peng Liu , Jian-Pin Wu

Dimensionally reduced spherically symmetric gravity and its generalization, generic 2-D dilaton gravity, provide ideal theoretical laboratories for the study of black hole quantum mechanics and thermodynamics. They are sufficiently simple…

广义相对论与量子宇宙学 · 物理学 2016-12-21 J. Gegenberg , G. Kunstatter

3-dimensional gravity coupled to Maxwell (or Klein-Gordon) fields is exactly soluble under the assumption of axi-symmetry. The solution is used to probe several quantum gravity issues. In particular, it is shown that the quantum…

广义相对论与量子宇宙学 · 物理学 2009-10-28 Abhay Ashtekar

We consider extremal black hole solutions to the vacuum Einstein equations in dimensions greater than five. We prove that the near-horizon geometry of any such black hole must possess an SO(2,1) symmetry in a special case where one has an…

高能物理 - 理论 · 物理学 2008-11-26 Pau Figueras , Hari K Kunduri , James Lucietti , Mukund Rangamani

It is very interesting that all holographic superconductors, such as s-wave, p-wave and d-wave holographic superconductors, show the universal mean-field critical exponent 1/2 at the critical temperature, just like Gindzburg-Landau (G-L)…

高能物理 - 理论 · 物理学 2012-04-30 Hua-Bi Zeng , Xin Gao , Yu Jiang , Hong-Shi Zong

We show that there exist supersymmetric Lifshitz vacua in off-shell Einstein-Weyl supergravity, in addition to the BPS AdS_4 vacuum. The Lifshitz exponents are determined by the product of the cosmological constant and the coupling of the…

高能物理 - 理论 · 物理学 2015-06-05 H. Lu , Zhao-Long Wang

We develop a general framework for computing the holographic 2-point functions and the corresponding conductivities in asymptotically locally AdS backgrounds with an electric charge density, a constant magentic field, and possibly…

高能物理 - 理论 · 物理学 2015-05-26 E. J. Lindgren , Ioannis Papadimitriou , Anastasios Taliotis , Joris Vanhoof

Confirming previous heuristic analyses \`a la Belinskii-Khalatnikov-Lifshitz, it is rigorously proven that certain ``subcritical'' Einstein-matter systems exhibit a monotone, generalized Kasner behaviour in the vicinity of a spacelike…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Thibault Damour , Marc Henneaux , Alan D. Rendall , Marsha Weaver

We found Bogomol'nyi type of the first order differential equations in three dimensional Einstein gravity and the effective second order ones in new massive gravity when an interacting scalar field is minimally coupled. Using these…

高能物理 - 理论 · 物理学 2013-04-03 Yongjoon Kwon , Soonkeon Nam , Jong-Dae Park , Sang-Heon Yi

Black holes with asymptotic anisotropic scaling are conjectured to be gravity duals of condensed matter system close to quantum critical points with non-trivial dynamical exponent z at finite temperature. A holographic renormalization…

高能物理 - 理论 · 物理学 2015-05-28 Tobias Zingg
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