Efficiency of Penrose process in spacetime of axially symmetric magnetized Reissner-Nordström black hole

S Shaymatov, P Sheoran, R Becerril, U Nucamendi… - Physical Review D, 2022 - APS
… II, we explore the geometry of magnetized Reissner-Nordström black hole spacetime. In Sec…
IV, we focus on the Penrose process in the vicinity of magnetized Reissner-Nordström black …

Penrose process in Reissner-Nordström-AdS black hole spacetimes: Black hole energy factories and black hole bombs

D Feiteira, JPS Lemos, OB Zaslavskii - Physical Review D, 2024 - APS
… to understand whether the Penrose process by itself in a … the recursive Penrose
process in a Reissner-Nordström-AdS … consider the Penrose process in a pure Reissner-Nordström-…

Is there a trade-off relation between efficiency and power in a collisional Penrose process in an extreme Reissner-Nordström spacetime?

N Tsukamoto - Physical Review D, 2022 - APS
Penrose process with an unbound energy extraction from an extreme Reissner-Nordström
We have defined the power of the collisional Penrose process as the energy gain from the …

General properties of the electric Penrose process

OB Zaslavskii - arXiv preprint arXiv:2403.12879, 2024 - arxiv.org
… We consider the Penrose process with the charged particles in the ReissnerNordström
The approach is applicable also to collisional Penrose process, in which a combination of …

Decay of charged particles near naked singularities and super-Penrose process without fine-tuning

OB Zaslavskii - Physical Review D, 2022 - APS
… We consider the Penrose process near the naked singularity in the Reissner-Nordström
We show that the energy extraction due to this process can be indefinitely large in the limit r0 → …

Electric Penrose process: High-energy acceleration of ionized particles by nonrotating weakly charged black hole

A Tursunov, B Juraev, Z Stuchlík, M Kološ - Physical Review D, 2021 - APS
… Thus, the Reissner-Nordström spacetime metric is interesting, but astrophysically not
viable. An exception can be represented by the ReissnerNordström spacetime having a zero …

Confined Penrose process and black-hole bomb

OB Zaslavskii - Physical Review D, 2022 - APS
… a similar process occurs in the background of the Reissner-Nordström (… For further development
of the Penrose process with … exists a wave analogue of the Penrose process. This is a so-…

Non-linear collisional Penrose process: How much energy can a black hole release?

K Nakao, H Okawa, K Maeda - Progress of Theoretical and …, 2018 - academic.oup.com
… The collisional Penrose process is one such extraction mechanism and has been reconsidered
… In the ReissnerNordström spacetime, by fully taking into account the self-gravity of the …

Super-Penrose process for nonextremal black holes

OB Zaslavskii - JETP Letters, 2021 - Springer
… at infinity; ie, the super-Penrose process can occur. This property is sharply contrasted with
… that the super-Penrose process is forbidden. The ReissnerNordström black hole serves as …

Pure electric Penrose and super-Penrose processes in the flat spacetime

OB Zaslavskii - International Journal of Modern Physics D, 2019 - World Scientific
… This effect can be considered as a limit of the Denardo–Ruffini process near the ReissnerNordström
black hole when the gravitational constant and/or black hole mass tend to zero. …