Charged Taub-NUT-de Sitter spacetime in DGP braneworld and its thermodynamics
arXiv:2212.03051 · doi:10.1088/1674-1137/aca95e
Abstract
We study a charged Taub-NUT spacetime solution in the DGP brane. We show that the Reissner-Nordstrom-Taub-NUT-de Sitter solution of Einstein-Maxwell gravity solves the corresponding equations of motion, where the cosmological constant is related to the cross-over scale in the DGP model. Following the approach by Teitelboim in discussing the thermodynamics of de Sitter spacetime and the proposal by Wu et al. for a conserved charge associated to the NUT parameter, we obtained the generalized Smarr mass formula and the first law of thermodynamics of the spacetime.
arXiv comment16 pages, no figure. To be published in Chinese Physics C
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