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Related papers: Global solutions in gravity

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The constructive method of conformal blocks is developed for the construction of global solutions for two-dimensional metrics having one Killing vector. The method is proved to yeild a smooth universal covering space with a smooth…

General Relativity and Quantum Cosmology · Physics 2011-07-19 M. O. Katanaev

We consider a wide class of two-dimensional metrics having one Killing vector. The method is proposed for the construction of maximally extended surfaces with the given Riemannian metric which is the analog of the conformal block method for…

General Relativity and Quantum Cosmology · Physics 2008-08-12 M. O. Katanaev

The solutions of generalized Killing equation have been obtained for line element with initial $t^2 \oplus so(3)$ symmetry. The coefficients of the metric $g$ corresponding to these vector fields are written down.

General Relativity and Quantum Cosmology · Physics 2007-05-23 G. L. Rcheulishvili

In this short note, we have generalized and constructed gravity solutions with two "exponents" {\it a la} Kachru, Liu and Mulligan. The coordinate system that is used to construct the gravity solution is useful when $b$ vanishes. It means…

High Energy Physics - Theory · Physics 2008-10-17 Shesansu Pal

Spinorial geometry techniques have recently been used to classify all half supersymmetric solutions in gauged five dimensional supergravity with vector multiplets. In this paper we consider solutions for which at least one of the Killing…

High Energy Physics - Theory · Physics 2010-01-06 Jan B. Gutowski , Wafic A. Sabra

Using equivariant localization formulas we give a formula for conformal blocks at level one on the sphere as suitable polynomials. Using this presentation we give a generating set in the space of conformal blocks at any level if the marked…

Quantum Algebra · Mathematics 2009-11-18 R. Rimanyi , A. Varchenko

We show that a geometric techniques can be elaborated and applied for constructing generic off-diagonal exact solutions in $f(R,T)$--modified gravity for systems of gravitational-Yang-Mills-Higgs equations. The corresponding classes of…

General Relativity and Quantum Cosmology · Physics 2014-11-12 Sergiu I. Vacaru , Elsen Veli Veliev , Enis Yazici

We present a new family of solutions for the Jackiw-Teitelboim model of two-dimensional gravity with a negative cosmological constant. Here, a metric of constant Ricci scalar curvature is constructed, and explicit linearly independent…

General Relativity and Quantum Cosmology · Physics 2017-05-25 Jennie D'Ambroise , Floyd L. Williams

We construct integrable chiral cosmological models with two scalar fields and potentials represented in terms of hyperbolic functions. Using the conformal transformation of the metric and the corresponding models with induced gravity terms,…

General Relativity and Quantum Cosmology · Physics 2024-11-18 Vsevolod R. Ivanov , Sergey Yu. Vernov

The most general set of static and spherically symmetric solutions for conformal Killing gravity coupled to Maxwell fields is presented in closed form. These solutions, depending on six parameters, include non-asymptotically flat black…

General Relativity and Quantum Cosmology · Physics 2024-07-19 Gérard Clément , Khireddine Nouicer

The C-metric solution of conformal gravity with a conformally coupled scalar field is presented. The solution belongs to the class of Petrov type D spacetimes and is conformal to the standard AdS C-metric appeared in vacuum Einstein…

General Relativity and Quantum Cosmology · Physics 2018-07-30 Kun Meng , Liu Zhao

A new approach is used to obtain a global solvability criterion for matrix Riccati equations. It is shown that the obtained result is an extension of a result derived from a comparison theorem for matrix Riccati equations. Two corollaries…

Classical Analysis and ODEs · Mathematics 2022-12-13 G. A. Grigorian

The spinorial geometry method is an effective method for constructing systematic classifications of supersymmetric supergravity solutions. Recent work on analysing highly supersymmetric solutions in type IIB supergravity using this method…

High Energy Physics - Theory · Physics 2009-10-09 U. Gran , J. Gutowski , G. Papadopoulos , D. Roest

We construct the $F(R)$ gravity models with exact particular solutions using the conformal transformation and the superpotential method for the corresponding models in the Einstein frame. The functions $F(R)$ are obtained explicitly. We…

General Relativity and Quantum Cosmology · Physics 2020-10-06 S. Yu. Vernov , V. R. Ivanov , E. O. Pozdeeva

A natural two-metric formalism, generated by the world function of the space-time, is used. This circumstance admits one to localize the relative gravitational field, which is described by a tensor.

General Physics · Physics 2011-08-01 Yuri A. Rylov

Conformal blocks for four point functions for fields with arbitrary spins in two dimensions are obtained by evaluating an appropriate integral. The results are just products of hypergeometric functions of the conformally invariant cross…

High Energy Physics - Theory · Physics 2015-06-05 H. Osborn

A general framework for the solutions of the constraints of pure gravity is constructed. It provides with well defined mathematical criteria to classify their solutions in four classes. Complete families of solutions are obtained in some…

General Relativity and Quantum Cosmology · Physics 2009-07-22 J. Martin , Antonio F. Rañada , A. Tiemblo

In this paper, we have presented an algorithm to generate various black hole solutions in general relativity and alternative theories of gravity. The algorithm involves few dimensional parameters that are assigned suitable values to specify…

General Relativity and Quantum Cosmology · Physics 2010-04-28 Farook Rahaman , Mubasher Jamil , Ashis Ghosh , Kausik Chakraborty

Static spherically symmetric solutions for conformal gravity in three dimensions are found. Black holes and wormholes are included within this class. Asymptotically the black holes are spacetimes of arbitrary constant curvature, and they…

High Energy Physics - Theory · Physics 2009-07-28 Julio Oliva , David Tempo , Ricardo Troncoso

We use numerical integration to solve the field equations of conformal gravity, assuming a metric that is static and spherically symmetric. Our solution is an extension of that found by Mannheim and Kazanas; it indicates, as expected, that…

General Relativity and Quantum Cosmology · Physics 2015-02-11 Peter R. Phillips
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