$D$-dimensional aether charged black hole and aether waves in M-subset of Einstein-aether theory
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2025
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| _version_ | 1866914358198534144 |
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| author | Ding, Chikun Zhou, Yuebing Shi, Yu Fu, Xiangyun |
| author_facet | Ding, Chikun Zhou, Yuebing Shi, Yu Fu, Xiangyun |
| contents | We study the black hole solution and gravitational wave polarizations in a M-subset of the Einstein-aether theory with Lorentz invariance violated by an unit norm vector field -- the aether field $u^a$. This M-subset of Einstein-aether theory has a form of Einstein-Maxwell theory with a term of Lagrange multiplier potential $λ(u_au^a\mp1)$. When the aether field is timelike or spacelike, there exists a static solution -- $D$-dimensional Reissner-Nordstrom form of black hole solution, in which the aether charge have a minimum and maximum values. This conception of the aether charge doesn't exist in the $c_i$ subset of the Einstein-aether theory. The Smarr formula and the first law can be exactly constructed via the extended method of Killing potential. For the linearized M-subset Einstein-aether theory with the timelike aether field, we find the speed of spin-2 modes is unit, which aren't dependent on spacetime dimensions $D$ and aether constant $b_1$, but some parts of polarizations are disappeared. The speed of spin-1 modes is unit also. The third kind mode is the longitudinal aether-metric mode, which is linearly time dependent and not the spin-0 mode reported in the $c_i$ subset Einstein-aether theory. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_08184 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | $D$-dimensional aether charged black hole and aether waves in M-subset of Einstein-aether theory Ding, Chikun Zhou, Yuebing Shi, Yu Fu, Xiangyun General Relativity and Quantum Cosmology High Energy Physics - Theory We study the black hole solution and gravitational wave polarizations in a M-subset of the Einstein-aether theory with Lorentz invariance violated by an unit norm vector field -- the aether field $u^a$. This M-subset of Einstein-aether theory has a form of Einstein-Maxwell theory with a term of Lagrange multiplier potential $λ(u_au^a\mp1)$. When the aether field is timelike or spacelike, there exists a static solution -- $D$-dimensional Reissner-Nordstrom form of black hole solution, in which the aether charge have a minimum and maximum values. This conception of the aether charge doesn't exist in the $c_i$ subset of the Einstein-aether theory. The Smarr formula and the first law can be exactly constructed via the extended method of Killing potential. For the linearized M-subset Einstein-aether theory with the timelike aether field, we find the speed of spin-2 modes is unit, which aren't dependent on spacetime dimensions $D$ and aether constant $b_1$, but some parts of polarizations are disappeared. The speed of spin-1 modes is unit also. The third kind mode is the longitudinal aether-metric mode, which is linearly time dependent and not the spin-0 mode reported in the $c_i$ subset Einstein-aether theory. |
| title | $D$-dimensional aether charged black hole and aether waves in M-subset of Einstein-aether theory |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2512.08184 |