中文
相关论文

相关论文: New class of exact solutions to Einstein-Maxwell-d…

200 篇论文

We find new solutions to the five-dimensional Einstein-Maxwell-dilaton theory with cosmological constant where the dilaton field couples to the electromagnetic field as well as to the cosmological term with two different coupling constants.…

广义相对论与量子宇宙学 · 物理学 2018-08-14 A. M. Ghezelbash

We construct new classes of exact cosmological solutions to five dimensional Einstein-Maxwell-dilaton theory with two coupling constants for the dilaton-Maxwell term and dilaton-cosmological constant term. All the solutions are…

广义相对论与量子宇宙学 · 物理学 2015-04-08 A. M. Ghezelbash

We construct new classes of the dynamical black hole solutions in five or higher dimensional Einstein-Maxwell theory, coupled to a dilaton field, in the presence of arbitrary cosmological constant. The dilaton field interacts non-trivially…

广义相对论与量子宇宙学 · 物理学 2025-01-15 B. H. Fahim , A. M. Ghezelbash

We present novel classes of non-stationary solutions to the five-dimensional generalized Einstein-Maxwell-dilaton theory with cosmological constant, in which the Maxwell's filed and the cosmological constant couple to the dilaton field. In…

高能物理 - 理论 · 物理学 2019-05-29 Michael Butler , A. Masoud Ghezelbash

We construct numerical solutions to the higher-dimensional Einstein-Maxwell theory. The solutions are based on embedding the four dimensional Bianchi type IX space in the theory. We find the solutions as superposition of two functions,…

广义相对论与量子宇宙学 · 物理学 2022-04-14 Masoud Ghezelbash

The Einstein-Maxwell-dilaton field equations are considered for four-dimensional Bianchi type-V and VI$_0$ models. The general solutions have been obtained and their properties have been discussed.

广义相对论与量子宇宙学 · 物理学 2010-11-24 T. Singh , R. Chaubey

We examine the effective field equations that are obtained from the axi-dilaton gravity action with a second order Euler-Poincare term and a cosmological constant in all higher dimensions. We solve these equations for five-dimensional…

广义相对论与量子宇宙学 · 物理学 2008-11-26 A. N. Aliev , H. Cebeci , T. Dereli

We find and analyse solutions of Einstein's equations in arbitrary d dimensions and in the presence of a scalar field with a Liouville potential coupled to a Maxwell field. We consider spacetimes of cylindrical symmetry or again subspaces…

广义相对论与量子宇宙学 · 物理学 2010-06-29 Christos Charmousis , Blaise Goutéraux , Jiro Soda

We construct two classes of exact solutions to six and higher dimensional Einstein-Maxwell theory in which the metric functions can be written as convolution-like integrals of two special functions. The solutions are regular everywhere and…

高能物理 - 理论 · 物理学 2014-11-05 A. M. Ghezelbash

We obtain the general static solutions of the axially symmetric (2+1)-dimensional Einstein-Maxwell-Dilaton theory by dimensionally reducing it to a 2-dimensional dilaton gravity theory. The solutions consist of the magnetically charged…

高能物理 - 理论 · 物理学 2014-11-18 Dahl Park , Jae Kwan Kim

We present a general solution of the coupled Einstein-Maxwell field equations (without the source charges and currents) in three spacetime dimensions. We also admit any value of the cosmological constant. The whole family of such…

广义相对论与量子宇宙学 · 物理学 2022-08-23 Jiri Podolsky , Matus Papajcik

We obtain the general static, spherically symmetric solution for the Einstein-Maxwell-dilaton system in four dimensions with a phantom coupling for the dilaton and/or the Maxwell field. This leads to new classes of black hole solutions,…

高能物理 - 理论 · 物理学 2009-11-06 Gerard Clement , Julio C. Fabris , Manuel Eleuterio Rodrigues

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

We present several new exact solutions in five and higher dimensional Einstein-Maxwell theory by embedding the Nutku instanton. The metric functions for the five-dimensional solutions depend only on a radial coordinate and on two spatial…

广义相对论与量子宇宙学 · 物理学 2017-10-04 A. M. Ghezelbash , V. Kumar

We present solution generating methods which allow to construct exact static solutions to the equations of four-dimensional Einstein-Maxwell-Dilaton gravity starting with arbitrary static solutions to the pure vacuum Einstein equations,…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Stoytcho S. Yazadjiev

We present a method to generate static solutions in the Einstein-Maxwell system with a (phantom) dilaton field in $n(\ge 4)$-dimensions, based upon the symmetry of the target space for the nonlinear sigma model. Unlike the conventional…

广义相对论与量子宇宙学 · 物理学 2021-01-13 Masato Nozawa

In this article, we construct explicit analytical exact solutions to the six and higher dimensional Einstein-Maxwell theory. In all solutions, a subspace of the metric is the Eguchi-Hanson space where the metric functions are completely…

广义相对论与量子宇宙学 · 物理学 2017-09-28 A. M. Ghezelbash , V. Kumar

We show a general method to solve 2+1 dimensional dilatonic Maxwell-Einstein equation with a positive or negative cosmological constant. All the physical solutions are listed with assumptions that they are static, rotationally symmetric,…

高能物理 - 理论 · 物理学 2009-10-30 Takao Koikawa , Takuya Maki , Atsushi Nakamula

General static solutions of effectively 2-dimensional Einstein-Dilaton-Maxwell-Scalar theories are obtained. Our model action includes a class of 2-d dilaton gravity theories coupled with a $U(1)$ gauge field and a massless scalar field.…

高能物理 - 理论 · 物理学 2009-10-30 Dahl Park , Youngjai Kiem

We consider the dynamics of a Bianchi type I spacetime in the presence of dilaton and magnetic fields. The general solution of the Einstein-Maxwell dilaton field equations can be obtained in an exact parametric form. Depending on the…

广义相对论与量子宇宙学 · 物理学 2009-11-07 T. Harko , M. K. Mak
‹ 上一页 1 2 3 10 下一页 ›