Mixed neutron-star-plus-wormhole systems: Equilibrium configurations
General Relativity and Quantum Cosmology
2012-06-26 v2 Solar and Stellar Astrophysics
Abstract
We study gravitationally bound, spherically symmetric equilibrium configurations consisting of ordinary (neutron-star) matter and of a phantom/ghost scalar field which provides the nontrivial topology in the system. For such mixed configurations, we show the existence of static, regular, asymptotically flat general relativistic solutions. Based on the energy approach, we discuss the stability as a function of the core density of the neutron matter for various sizes of the wormhole throat.
Keywords
Cite
@article{arxiv.1203.3615,
title = {Mixed neutron-star-plus-wormhole systems: Equilibrium configurations},
author = {Vladimir Dzhunushaliev and Vladimir Folomeev and Burkhard Kleihaus and Jutta Kunz},
journal= {arXiv preprint arXiv:1203.3615},
year = {2012}
}
Comments
18 pages, 3 figures, minor corrections to content, references added, version published in PRD