Shortcuts to Spherically Symmetric Solutions: A Cautionary Note

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Spherically symmetric solutions of generic gravitational models are optimally, and legitimately, obtained by expressing the action in terms of the two surviving metric components. This shortcut is not to be overdone, however: a one-function ansatz invalidates it, as illustrated by the incorrect solutions of [1].
2 pages. Amplified derivation, accepted for publication in Class Quant Grav

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/201066

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0404120
 http://arxiv.org/abs/gr-qc/0404120
 Class.Quant.Grav.21:5295-5296,2004
 doi:10.1088/0264-9381/21/22/N01

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arXiv