Some remarks on topological defects and their gravitational consequences

dc.contributor.author	Bezerra V.
dc.contributor.author	Marques G.
dc.contributor.author	Khusnutdinov N.
dc.date.accessioned	2018-09-17T20:33:09Z
dc.date.available	2018-09-17T20:33:09Z
dc.date.issued	2002
dc.identifier.issn	0217-751X
dc.identifier.uri	https://dspace.kpfu.ru/xmlui/handle/net/133662
dc.description.abstract	We calculate the energy radiated by a uniformly moving charged scalar particle in the spacetime of a point-like global monopole, for small solid angle deficit. We show that this energy is proportional to the cube of the velocity of the particle and to the cube of the Lorenz factor, in the non-relativistic and ultra-relativistic cases, respectively. We also determine the energy shifts of a hydrogen atom placed in the background spacetime of a cosmic string and we discuss the possibility that these shifts could provide a means of probing for the presence of this topological defect in the Universe.
dc.relation.ispartofseries	International Journal of Modern Physics A
dc.subject	Cosmic string
dc.subject	Monopole
dc.subject	Topological defects
dc.title	Some remarks on topological defects and their gravitational consequences
dc.type	Conference Paper
dc.relation.ispartofseries-issue	29
dc.relation.ispartofseries-volume	17
dc.collection	Публикации сотрудников КФУ
dc.relation.startpage	4365
dc.source.id	SCOPUS0217751X-2002-17-29-SID0037146046

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