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Paper detail

Variational derivatives of gravitational actions

A method of calculation for the variational derivatives for gravitational actions in the pseudo-Riemannian case is proposed as a practical variant of the first order formalism with constraints. The method is then used to derive the metric field equations for a generic $f(R)$ model.

preprint2013arXivOpen access
Ahmet Baykal
gr-qc
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Ahmet Baykal

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