Shortcuts to Spherically Symmetric Solutions: A Cautionary Note
S. Deser, J. Franklin, B. Tekin
Abstract
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].
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