In a previous work we showed that, in a suitable setting, one can use diffeomorphism invariance in order to derive gravitational field equations from boundary terms of the gravitational action. Standing by our results we reply here to a recent comment questioning their validity.
Reply to ''Can gravitational dynamics be obtained by diffeomorphism invariance of action?'' / Sotiriou, T. P.; Liberati, S.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 75:6(2007), pp. 068502.1-068502.3. [10.1103/PhysRevD.75.068502]
Reply to ''Can gravitational dynamics be obtained by diffeomorphism invariance of action?''
Liberati, S.
2007-01-01
Abstract
In a previous work we showed that, in a suitable setting, one can use diffeomorphism invariance in order to derive gravitational field equations from boundary terms of the gravitational action. Standing by our results we reply here to a recent comment questioning their validity.File in questo prodotto:
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