Mixed neutron-star-plus-wormhole systems: Rotating configurations
Abstract
We present rapidly rotating neutron stars featuring wormholes in their centers. They arise in general relativity in the presence of a ghost scalar field. The nuclear matter is described by a polytropic equation of state, yielding realistic masses and radii for the neutron stars. The wormholes possess small circumferential radii of size up to 3 km. With increasing wormhole size, the masses and radii of the stars decrease, while the domain of existence of these rotating mixed neutron-star-plus-wormhole systems retains the characteristic properties of a rotating neutron star domain. The question of stability of the mixed configurations under consideration is briefly discussed.
Cite
@article{arxiv.2210.04425,
title = {Mixed neutron-star-plus-wormhole systems: Rotating configurations},
author = {Vladimir Dzhunushaliev and Vladimir Folomeev and Burkhard Kleihaus and Jutta Kunz},
journal= {arXiv preprint arXiv:2210.04425},
year = {2023}
}
Comments
10 pages, 1 figure, minor corrections to content, version published in PRD