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Catastrophic Emission of Charges from Near-Extremal Nariai Black Holes | | Chiang-Mei Chen
; Chun-Chih Huang
; Sang Pyo Kim
; Chun-Yu Wei
; | | Date: |
1 Sep 2023 | | Abstract: | Using the in-out formalism and also the monodromy method, we study the
emission of charges from near-extremal charged Nariai black holes with the
black hole and cosmological horizons close to each other. The emission becomes
catastrophic for a charge with energy greater than its chemical potential,
whose leading exponential factor increases inversely proportional to the
separation of two horizons. This implies that near-extremal Nariai black holes
quickly evaporate through the charge emission and end in the de Sitter space,
in contrast to near-extremal RN-dS black holes that have the
Breitenlohner-Friedman bound below which they become stable against Hawking
radiation and Schwinger effect of charge emission. We illuminate the origin of
the catastrophic emission in the phase-integral formulation by comparing
near-extremal charged Nariai black holes with near-extremal RN-dS black holes. | | Source: | arXiv, 2309.00218 | | Services: | Forum | Review | PDF | Favorites | |
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