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- W4387526830 abstract "In this work, we present novel analytical solutions for static and spherically symmetric wormhole geometries threaded by an anisotropic distribution of matter conformally coupled to a scalar ghost field. We explore the main features of the theory, such as the dynamics of the scalar field and matter throughout the wormhole, as well as the role played by the nonminimal coupling. Furthermore, coupled ghosts in the presence of a scalar potential are considered, and traversability conditions are analyzed within such geometrical scheme. More specifically, we find analytical solutions in which, although the energy density of the ghost is strictly negative, the energy density of matter may attain positive values." @default.
- W4387526830 created "2023-10-12" @default.
- W4387526830 creator A5067535639 @default.
- W4387526830 creator A5073068411 @default.
- W4387526830 creator A5074590361 @default.
- W4387526830 date "2023-10-11" @default.
- W4387526830 modified "2023-10-18" @default.
- W4387526830 title "Wormholes with matter haunted by conformally coupled ghosts" @default.
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- W4387526830 doi "https://doi.org/10.1103/physrevd.108.084028" @default.