On geodesics with negative energies in the ergoregions of dirty black holes

dc.contributor.author	Zaslavskii O.
dc.date.accessioned	2018-09-18T20:07:12Z
dc.date.available	2018-09-18T20:07:12Z
dc.date.issued	2015
dc.identifier.issn	0217-7323
dc.identifier.uri	https://dspace.kpfu.ru/xmlui/handle/net/136690
dc.description.abstract	© 2015 World Scientific Publishing Company. We consider behavior of equatorial geodesics with the negative energy in the ergoregion of a generic rotating "dirty" (surrounded by matter) black hole. It is shown that under very simple and generic conditions on the metric coefficients, there are no such circular orbits. This entails that such geodesic must originate and terminate under the event horizon. These results generalize the observation made for the Kerr metric in A. A. Grib, Yu. V. Pavlov and V. D. Vertogradov, Mod. Phys. Lett.29, 1450110 (2014), arXiv:1304.7360.
dc.relation.ispartofseries	Modern Physics Letters A
dc.subject	Ergoregion
dc.subject	negative energy
dc.title	On geodesics with negative energies in the ergoregions of dirty black holes
dc.type	Article
dc.relation.ispartofseries-issue	10
dc.relation.ispartofseries-volume	30
dc.collection	Публикации сотрудников КФУ
dc.source.id	SCOPUS02177323-2015-30-10-SID84928501098

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