Multicenter solutions in Eddington-inspired Born-Infeld gravity
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2020
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Springer
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Abstract
We find multicenter (Majumdar-Papapetrou type) solutions of Eddington-inspired Born-Infeld gravity coupled to electromagnetic fields governed by a Born-Infeld-like Lagrangian. We construct the general solution for an arbitrary number of centers in equilibrium and then discuss the properties of their one-particle configurations, including the existence of bounces and the regularity (geodesic completeness) of these spacetimes. Our method can be used to construct multicenter solutions in other theories of gravity.
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© The Author(s) 2020.
Atraccion de Talento Investigador programme of the Comunidad de Madrid (Spain) [2018-T1/TIC-10431]; Ministerio de Ciencia, Innovacion y Universidades (Spain) [PID2019-108485GB-I00/AEI/10.13039/501100011033]; Fundacao para a Ciencia e a Tecnologia (FCT, Portugal)Portuguese Foundation for Science and Technology [PTDC/FIS-OUT/29048/2017, PTDC/FIS-PAR/31938/2017]; Spanish project (MINECO/FEDER, EU) [FIS2017-84440-C-21-P]; H2020-MSCA-RISE-2017 Grant [FunFiCO-777740]; Generalitat ValencianaGeneralitat Valenciana [PROMETEO/2020/079]; FAPESQ-PB/CNPQ, Brazil [Edital 006/2018 PRONEX, 0015/2019]; COST (European Cooperation in Science and Technology)European Cooperation in Science and Technology (COST) [CA15117, CA18108]