Three dimensional black bounces in gravity
arXiv:2601.17848 · doi:10.1016/j.dark.2026.102293
Abstract
We investigate the existence of black bounce solutions in dimensions within the framework of gravity. We analyze whether black bounce geometries originally obtained in general relativity can be consistently generalized to theories and identify the matter sources capable of supporting such solutions. We also construct a new class of solutions by imposing a vanishing curvature scalar. In the matter sector, we consider models involving a coupling between a scalar field and nonlinear electrodynamics, while in the gravitational sector we analyze both the Starobinsky model and more general forms of . We further examine the viability conditions of the models that give rise to these spacetimes, including the behavior of the scalaron mass. Finally, we study the associated energy conditions, in order to assess the degree of exoticity of the matter content required to sustain these black bounce solutions and how the theory modifies the energy conditions.
24 pages, 8 figures. V2: 28 pages, 9 figures, new discussions added. Published in PDU
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