19 citations · 28 across the 3 of their papers we have counts for
6 papers · 1 filter
2+1 dimensional solution of Einstein Cartan equations
M. Hortacsu, H. T. Ozcelik, N. Ozdemir
In this work a static solution of Einstein-Cartan (EC) equations in 2+1 dimensional space-time is given by considering classical spin-1/2 field as external source for torsion of th…
Singularity Structure and Stability Analysis of the Dirac Equation on the Boundary of the Nutku Helicoid Solution
T. Birkandan, M. Hortacsu
Dirac equation written on the boundary of the Nutku helicoid space consists of a system of ordinary differential equations. We tried to analyze this system and we found that it has…
Dirac Equation in the Background of the Nutku Helicoid Metric
T. Birkandan, M. Hortacsu
We study the solutions of the Dirac equation in the background of the Nutku helicoid metric. This metric has curvature singularities, which necessitates imposing a boundary to excl…
Examples of Heun and Mathieu functions as solutions of wave equations in curved spaces
T. Birkandan, M. Hortacsu
We give examples where the Heun function exists in general relativity. It turns out that while a wave equation written in the background of certain metric yields Mathieu functions…
An Extension of Multiple Cosmic String Solution: A Proposal
M. Hortacsu, N. Ozdemir
We extend the work done for cosmic strings and show that for a more general class of locally flat metrics the one loop calculation do not introduce any new divergences to the VEV o…
Do Cosmic Strings Give Rise to Vacuum Fluctuations ?
A. H. Bilge, M. Hortacsu, N. Ozdemir
The role of the identification of the vacuum and non-vacuum space-times in the computation of vacuum fluctuations in the presence of a cosmic string is discussed and an alternative…