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Supermassive black holes as possible sources of ultra high energy cosmic rays
Arman Tursunov, Zdeněk Stuchlík, Martin Kološ +2
Production and acceleration mechanisms of ultra-high-energy cosmic rays (UHECRs) of energy eV, clearly beyond the GZK-cutoff limit remain unclear that points to exotic na…
Fifty years of energy extraction from rotating black hole: revisiting magnetic Penrose process
Arman Tursunov, Naresh Dadhich
Magnetic Penrose process (MPP) is not only the most exciting and fascinating process mining the rotational energy of black hole but it is also the favored astrophysically viable me…
The distinguishing signature of Magnetic Penrose Process
Naresh Dadhich, Arman Tursunov, Bobomurat Ahmedov +1
In this Letter, we wish to point out that the distinguishing feature of Magnetic Penrose process (MPP) is its super high efficiency exceeding (which was established in mid…
Magnetic Penrose Process and Blanford-Zanejk mechanism: A clarification
Naresh Dadhich
The Penrose process (PP) is an ingenious mechanism of extracting rotational energy from a rotating black hole, however it was soon realized that it was not very efficient for its a…