214 citations · 1.4k across the 39 of their papers we have counts for
16 papers · 1 filter
Hidden Symmetries and Geodesics of Kerr spacetime in Kaluza-Klein Theory
Alikram N. Aliev, Goksel Daylan Esmer
The Kerr spacetime in Kaluza-Klein theory describes a rotating black hole in four dimensions from the Kaluza-Klein point of view and involves the signature of an extra dimension th…
Strong Gravity Effects of Rotating Black Holes: Quasiperiodic Oscillations
Alikram N. Aliev, Göksel Daylan Esmer, Pamir Talazan
We explore strong gravity effects of the geodesic motion in the spacetime of rotating black holes in general relativity and braneworld gravity. We focus on the description of the m…
Gravitational Effects of Rotating Braneworld Black Holes
Alikram N. Aliev, Pamir Talazan
We study the light deflection effect and the relativistic periastron and frame-dragging precessions for a rotating black hole localized on the brane in the Randall-Sundrum branewor…
Exact Solutions in Five-Dimensional Axi-dilaton Gravity with Euler-Poincare Term
A. N. Aliev, H. Cebeci, T. Dereli
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 dim…
Self-Dual Fields on the space of a Kerr-Taub-bolt Instanton
Alikram N. Aliev, Cihan Saclioglu
We discuss a new exact solution for self-dual Abelian gauge fields living on the space of the Kerr-Taub-bolt instanton, which is a generalized example of asymptotically flat instan…
Higher Dimensional Rotating Charged Black Holes
Alikram N. Aliev
We discuss a new analytic solution to the Einstein-Maxwell field equations that describes electrically charged black holes with a slow rotation and with a single angular momentum i…
Plane Symmetric Solutions of Gravitational Field Equations in Five Dimensions
A. N. Aliev, H. Cebeci, T. Dereli
We present the effective field equations obtained from a generalized gravity action with Euler-Poincare term and a cosmological constant in a dimensional bulk space-time. A cla…
A Slowly Rotating Charged Black Hole in Five Dimensions
A. N. Aliev
Black hole solutions in higher dimensional Einstein and Einstein-Maxwell gravity have been discussed by Tangherlini as well as Myers and Perry a long time ago. These solutions are…
Motion of charged particles around a rotating black hole in a magnetic field
A. N. Aliev, N. Ozdemir
We study the effects of an external magnetic field, which is assumed to be uniform at infinity, on the marginally stable circular motion of charged particles in the equatorial plan…
Impulsive spherical gravitational waves
A. N. Aliev, Y. Nutku
Penrose's identification with warp provides the general framework for constructing the continuous form of impulsive gravitational wave metrics. We present the 2-component spinor fo…
Topologically massive magnetic monopoles
A. N. Aliev, Y. Nutku, K. Saygılı
We show that in the Maxwell-Chern-Simons theory of topologically massive electrodynamics the Dirac string of a monopole becomes a cone in anti-de Sitter space with the opening angl…
Spinor formulation of topologically massive gravity
A. N. Aliev, Y. Nutku
In the framework of real 2-component spinors in three dimensional space-time we present a description of topologically massive gravity (TMG) in terms of differential forms with tri…
A theorem on topologically massive gravity
A. N. Aliev, Y. Nutku
We show that for three dimensional space-times admitting a hypersurface orthogonal Killing vector field Deser, Jackiw and Templeton's vacuum field equations of topologically massiv…
Gravitational Instantons from Minimal Surfaces
A. N. Aliev, M. Hortacsu, J. Kalayci +1
Physical properties of gravitational instantons which are derivable from minimal surfaces in 3-dimensional Euclidean space are examined using the Newman-Penrose formalism for Eucli…
Gravitational instantons admit hyper-Kähler structure
A. N. Aliev, Y. Nutku
We construct the explicit form of three almost complex structures that a Riemannian manifold with self-dual curvature admits and show that their Nijenhuis tensors vanish so that th…
Vacuum Fluctuations of a massless spin-1/2 field around multiple cosmic strings
A. N. Aliev, M. Hortacsu, N. Ozdemir
We study the interaction of a massless quantized spinor field with the gravitational filed of N parallel static cosmic strings by using a perturbative approach. We show that the pr…