Extraction Energy From Charged Vaidya Black Hole Via Penrose Process

Vitalii Vertogradov

Extraction Energy From Charged Vaidya Black Hole Via Penrose Process

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arxiv 2210.04784 v1 pith:XDJ4YKIB submitted 2022-10-10 gr-qc

Vitalii Vertogradov This is my paper · ORCID

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keywords chargedenergypenroseprocessblackergospheregeneralizedhole

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In this paper, we consider the analogy of the Penrose process in Charged Vaidya spacetime. We calculate the border of the generalized ergosphere, in which the charged particles with negative energy might exist, and show that it is temporary. We show that there are no closed orbits for particles with negative energy inside the generalized ergosphere. We investigate the question about the efficiency of the Penrose process and show that one can't extract large energies from a black hole.

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