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- W2046916970 abstract "We study spherically symmetric structures in conformal gravity and in a scalar-tensor extension and gain some more insight about these gravitational theories. In both cases we analyze solutions in two systems: perfect fluid solutions and boson stars of a self-interacting complex scalar field. In the purely tensorial (original) theory we find in a certain domain of parameter space finite mass solutions with a linear gravitational potential but without a Newtonian contribution. The scalar-tensor theory exhibits a very rich structure of solutions whose main properties are discussed. Among them, solutions with a finite radial extension, open solutions with a linear potential and logarithmic modifications and also a (scalar-tensor) gravitational soliton. This may also be viewed as a static self-gravitating boson star in purely tensorial conformal gravity." @default.
- W2046916970 created "2016-06-24" @default.
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- W2046916970 date "2009-12-30" @default.
- W2046916970 modified "2023-10-16" @default.
- W2046916970 title "Spherical structures in conformal gravity and its scalar-tensor extension" @default.
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- W2046916970 doi "https://doi.org/10.1103/physrevd.80.124048" @default.
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