Schwinger Effect from Near-extremal Black Holes in (A)dS Space

Chiang-Mei Chen; Sang Pyo Kim

Schwinger Effect from Near-extremal Black Holes in (A)dS Space

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arxiv 2002.00394 v2 pith:DT66Q5O6 submitted 2020-02-02 hep-th

Chiang-Mei Chen , Sang Pyo Kim This is my paper · ORCID

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keywords spaceeffectschwingerblackholesnear-extremalboundaryanti-

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abstract

We study the Schwinger effect in near-extremal Reissner-Nordstr\"{o}m (RN) black holes with electric and/or magnetic charges in the (Anti-) de Sitter (AdS) space. The formula for the Schwinger effect takes a universal form for near-extremal black holes with the near-horizon geometry of ${\rm AdS}_2 \times S^2$ and with the proper radii for the ${\rm AdS}_2$ space and the two-sphere $S^2$, regardless of the asymptotically flat or (A)dS space. The asymptotic AdS boundary enhances and the dS boundary suppresses the Schwinger effect and the small radius of the AdS (dS) space reinforces the enhancement and suppression.

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Schwinger instability, modular flow, and holographic entropy for near-extremal charged BTZ black hole
hep-th 2025-05 reject novelty 3.0 of 10

A semiclassical study of charged pair creation and horizon entropy in near-extremal charged BTZ, whose central alignment claim is not actually established by the calculations.

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