Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-07-13
Phys.Rev.D80:044033,2009
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
14 pages, 6 figures; v2: typos corrected and minor rewording
Scientific paper
10.1103/PhysRevD.80.044033
In this article, spherically symmetric thin-shell wormholes supported by a generalized Chaplygin gas are constructed and their stability under perturbations preserving the symmetry is studied. Wormholes with charge and with a cosmological constant are analyzed and the results are compared with those obtained for the original Chaplygin gas, which was considered in a previous work. For some values of the parameters, one stable configuration is also present and a new extra unstable solution is found.
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