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gr-qc2025
Wormholes as perturbations of near-horizon black hole geometries: no-go theorems within effective field theories
Takamasa Kanai, Kengo Maeda, Daisuke Yoshida
We reformulate the construction of wormhole solutions as perturbations around near-horizon geometries of near-extremal Reissner-Nordström black holes in four dimensions and equal-a…
gr-qc1998★ 55 cited
No-scalar hair conjecture in asymptotic de-Sitter spacetime
T. Torii, K. Meeda, M. Narita
We discuss the no-hair conjecture in the presence of a cosmological constant. For the firststep the real scalar field is considered as the matter field and the spacetime is assumed…