J
2014
On observational phenomena related to kerr superspinars
SCHEE, Jan and Zdeněk STUCHLÍK
Basic information
Original name
On observational phenomena related to kerr superspinars
Edition
Acta Polytechnica, CZ - Česká republika, Acta Polytechnica, 2014, 1210-2709
Other information
Type of outcome
Článek v odborném periodiku
Field of Study
10308 Astronomy
Confidentiality degree
není předmětem státního či obchodního tajemství
Organization unit
Faculty of Philosophy and Science in Opava
Keywords in English
Kerr superspinars
Tags
International impact, Reviewed
Links
GB14-37086G, research and development project.
V originále
We investigate possible signatures of a Kerr naked singularity (superspinar) in various observational phenomena. It has been shown that Kerr naked singularities (superspinars) have to be efficiently converted to a black hole due to accretion from Keplerian discs. In the final stages of the conversion process the near-extreme Kerr naked singularities (superspinars) provide a variety of extraordinary physical phenomena. Such superspinning Kerr geometries can serve as an efficient accelerator for extremelyhigh-energy collisions, enabling a direct and clear demonstration of the outcomes of the collision processes. We shall discuss the efficiency and the visibility of the ultra-highenergy collisions in the deepest parts of the gravitational well of superspinning near-extreme Kerr geometries for the whole variety of particles freely falling from infinity. We demonstrate that ultrahigh- energy processes can be obtained with no fine tuning of the motion constants and the products of the colli
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