Journal
PHYSICAL REVIEW D
Volume 87, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.104036
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Funding
- Volkswagen Foundation
- German Research Foundation within the framework of the DFG Research Training Group [1620]
- Ministry of Education and Science of Kazakhstan [514]
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We consider configurations consisting of a neutron star with a wormhole at the core. The wormhole is held open by a ghost scalar field with a quartic coupling. The neutron matter is described by a perfect fluid with a polytropic equation of state. We obtain static regular solutions for these systems. A stability analysis, however, shows that they are unstable with respect to linear perturbations.
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