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## 摘要

To find the pair production, absorption cross section and quasi-normal modes in background fields, we advance the monodromy method that makes use of the regular singular points of wave equations. We find the mean number of pairs produced in background fields whose mode equations belong to the Riemann differential equation and apply the method to the three particular cases: (i) charges near the horizon of near-extremal black holes, (ii) charges with minimal energy under the static balance in nonextremal charged black holes, and (iii) charges in the Sauter-type electric fields. We then compare the results from the monodromy with those from the exact wave functions in terms of the hypergeometric functions with three regular singular points. The explicit elaboration of monodromy and the model calculations worked out here seem to reveal evidences that the monodromy may provide a practical technique to study the spontaneous pair production in general black holes and electromagnetic fields.

原文 | ???core.languages.en_GB??? |
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頁（從 - 到） | 255-268 |

頁數 | 14 |

期刊 | Chinese Journal of Physics |

卷 | 86 |

DOIs | |

出版狀態 | 已出版 - 12月 2023 |

## 指紋

深入研究「Monodromy approach to pair production of charged black holes and electric fields」主題。共同形成了獨特的指紋。## 專案

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