Ray-tracing in pseudo-complex General Relativity
Abstract
Motivated by possible observations of the black hole candidate in the center of our galaxy and the galaxy M87, ray-tracing methods are applied to both standard General Relativity (GR) and a recently proposed extension, the pseudo-complex General Relativity (pc-GR). The correction terms due to the investigated pc-GR model lead to slower orbital motions close to massive objects. Also the concept of an innermost stable circular orbit (ISCO) is modified for the pc-GR model, allowing particles to get closer to the central object for most values of the spin parameter than in GR. Thus, the accretion disk, surrounding a massive object, is brighter in pc-GR than in GR. Iron K emission line profiles are also calculated as those are good observables for regions of strong gravity. Differences between the two theories are pointed out.
Cite
@article{arxiv.1312.1170,
title = {Ray-tracing in pseudo-complex General Relativity},
author = {T. Schönenbach and G. Caspar and P. O. Hess and T. Boller and A. Müller and M. Schäfer and W. Greiner},
journal= {arXiv preprint arXiv:1312.1170},
year = {2014}
}
Comments
revised version