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- Title
Models of spherical shells as sources of Majumdar-Papapetrou type spacetimes.
- Authors
García-Reyes, Gonzalo
- Abstract
By starting with a seed Newtonian potential-density pair we construct relativistic thick spherical shell models for a Majumdar-Papapetrou type conformastatic spacetime. As a simple example, we considerer a family of Plummer-Hernquist type relativistic spherical shells. As a second application, these structures are then used to model a system composite by a dust disk and a halo of matter. We study the equatorial circular motion of test particles around such configurations. Also the stability of the orbits is analyzed for radial perturbation using an extension of the Rayleigh criterion. The models considered satisfying all the energy conditions.
- Subjects
SPHERICAL shells (Engineering); NEWTONIAN fluids; GRAVITATIONAL potential; CIRCULAR motion; SPACETIME
- Publication
General Relativity & Gravitation, 2017, Vol 49, Issue 3, p1
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-017-2197-8