I show that it is possible to obtain the stress-energy tensor of the perfect fluid by adding a suitable term to the Einstein-Hilbert action. Variation should be understood with respect to the metric.
Inclusion of a perfect fluid term into the Einstein-Hilbert action / Minguzzi, E.. - In: INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS. - ISSN 0219-8878. - ELETTRONICO. - (2022), pp. 0-0. [10.1142/S0219887823500639]
Inclusion of a perfect fluid term into the Einstein-Hilbert action
Minguzzi, E.
2022
Abstract
I show that it is possible to obtain the stress-energy tensor of the perfect fluid by adding a suitable term to the Einstein-Hilbert action. Variation should be understood with respect to the metric.
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