STATIC WORMHOLES IN VACUUM FOR CONFORMAL GRAVITY
@article{Oliva2009STATICWI, title={STATIC WORMHOLES IN VACUUM FOR CONFORMAL GRAVITY}, author={Julio Oliva and David Tempo and Ricardo Troncoso}, journal={International Journal of Modern Physics A}, year={2009}, volume={24}, pages={1528-1532} }
A static spherically symmetric wormhole solution for conformal gravity in vacuum is found. The solution possesses a single integration constant which determines the size of the neck connecting two static homogeneous universes of constant spatial curvature. Time runs at different rates on each side of the neck, and depending on the value of the parameter, the wormhole can develop a cosmological horizon only at one side. It is shown that the wormholes correspond to the matching of different…
Figures from this paper
9 Citations
Wormholes in conformal gravity
- PhysicsJournal of Cosmology and Astroparticle Physics
- 2018
We present a new class of solutions for static spherically symmetric wormhole spacetimes in conformal gravity and outline a detailed method for their construction. As an explicit example, we…
Asymptotically (anti) de Sitter Black Holes and Wormholes with a Self Interacting Scalar Field in Four Dimensions.
- Physics
- 2012
The aim of this paper is to report on the existence of a wide variety of exact solutions, ranging from black holes to wormholes, when a conformally coupled scalar field with a self-interacting…
Ellis wormhole without a phantom scalar field.
- Physics, MathematicsPhysical review. D.
- 2019
This paper presents an exact solution for (3 + 1)-dimensional Einstein-scalar-Gauss-Bonnet theory (EsGB) in electrovacuum that corresponds to a charged wormhole with a throat at the region r = |Q| and is also supported by a real scalar field having a positive kinetic term.
Horizon symmetries and hairy black holes in AdS
- Physics, MathematicsJournal of High Energy Physics
- 2020
We investigate whether supertranslation symmetry may appear in a scenario that involves black holes in AdS space. The framework we consider is massive 3D gravity, which admits a rich black hole phase…
Asymptotically Lifshitz wormholes and black holes for Lovelock gravity in vacuum
- Mathematics
- 2011
Static asymptotically Lifshitz wormholes and black holes in vacuum are shown to exist for a class of Lovelock theories in d = 2n + 1 > 7 dimensions, selected by requiring that all but one of their n…
The tetralogy of Birkhoff theorems
- Mathematics
- 2013
We classify the existent Birkhoff-type theorems into four classes: first, in field theory, the theorem states the absence of helicity 0- and spin 0-parts of the gravitational field. Second, in…
Wormhole geometries in fourth-order conformal Weyl gravity
- Physics
- 2015
We present an analysis of the classic wormhole geometries based on conformal Weyl gravity, rather than standard general relativity. The main characteristics of the resulting traversable wormholes…
The tetralogy of Birkhoff theorems
- MathematicsGeneral Relativity and Gravitation
- 2012
We classify the existent Birkhoff-type theorems into four classes: first, in field theory, the theorem states the absence of helicity 0- and spin 0-parts of the gravitational field. Second, in…
Static wormholes in vacuum and gravity in diverse dimensions
- Physics
- 2009
Static wormhole solutions in vacuum for gravity in diverse dimensions are discussed. In dimensions greater than four the theory corresponds to a particular case of the Lovelock action, so that it…
References
SHOWING 1-10 OF 26 REFERENCES
General class of wormhole geometries in conformal Weyl gravity
- Physics
- 2008
In this work, a general class of wormhole geometries in conformal Weyl gravity is analyzed. A wide variety of exact solutions of asymptotically flat spacetimes is found, in which the stress–energy…
Static wormhole solution for higher-dimensional gravity in vacuum
- Computer Science
- 2007
A static wormhole solution for gravity in vacuum is found for odd dimensions greater than four and shows that both asymptotically locally AdS spacetimes are connected by light signals in a finite time.
Gravitational solitons and C0 vacuum metrics in five-dimensional Lovelock gravity
- Physics
- 2008
Junction conditions for vacuum solutions in five-dimensional Einstein–Gauss–Bonnet gravity are studied. We focus on those cases where two spherically symmetric regions of space-time are joined in…
Exact solutions for the Einstein-Gauss-Bonnet theory in five dimensions: Black holes, wormholes, and spacetime horns
- Mathematics
- 2007
An exhaustive classification of a certain class of static solutions for the five-dimensional Einstein-Gauss-Bonnet theory in vacuum is presented. The class of metrics under consideration is such that…
Birkhoff's Theorem in Conformal Gravity
- Mathematics
- 1984
We prove Birkhoff's theorem in conformal gravity: The most general spherically symmetric, electrovac solution is static, and hence absolutely stable against spherically symmetric perturbations. This…
``Mass without mass'' from thin shells in Gauss-Bonnet gravity
- Physics
- 2007
Five tensor equations are obtained for a thin shell in Gauss-Bonnet gravity. There is the well-known junction condition for the singular part of the stress tensor intrinsic to the shell, which we…
Lorentzian Wormholes: From Einstein to Hawking
- Physics
- 1995
Preface Acknowledgments I. Background: 1. Introduction 2. General Relativity 3. Quantum Field Theory 4. Units and Natural Scales II. History: 5. The Einstein-Rosen Bridge 6. Spacetime Foam 7. The…
Zero-energy theorem for scale-invariant gravity
- Physics
- 1983
The general scale-invariant Lagrangian, -(1/4) ..integral.. d/sup 4/x(-g)/sup 1/2/(..cap alpha..C/sup munulambdasigma/C/sub munulambda/ /sub sigma/+..beta..R/sup 2/), with ..cap alpha beta..> or =0,…
A derivation of Weyl gravity
- MathematicsAnnalen der Physik
- 2001
In this paper, two things are done. (i) Using cohomological techniques, we explore the consistent deformations of linearized conformal gravity in 4 dimensions. We show that the only possibility…