Spherically symmetric configurations of General Relativity in presence of scalar fields: separation of circular orbits
We show that the test body stable circular orbits around the spherically symmetric black hole (BH) configuration can form disjoint structures in presence of a minimally coupled nonlinear scalar field. General conditions for the disjoint structures to exist are formulated. To present examples we cons...
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| Veröffentlicht in: | General relativity and gravitation 2018-09, Vol.50 (9), p.1-19, Article 105 |
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| creator | Stashko, O. S. Zhdanov, V. I. |
| description | We show that the test body stable circular orbits around the spherically symmetric black hole (BH) configuration can form disjoint structures in presence of a minimally coupled nonlinear scalar field. General conditions for the disjoint structures to exist are formulated. To present examples we construct a two-parametric family of exact solutions to Einstein equations with scalar fields for appropriate self-interaction potentials. For different values of the family parameters the solutions describe either BH or naked singularity (NS). We found numerically regions of the parameters when there exist two disjoint regions of stable circular orbits; such nonconnected structures indeed can exist in case of both BH and NS solutions. |
| doi_str_mv | 10.1007/s10714-018-2425-x |
| format | Article |
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We found numerically regions of the parameters when there exist two disjoint regions of stable circular orbits; such nonconnected structures indeed can exist in case of both BH and NS solutions.</description><subject>Astronomy</subject><subject>Astrophysics and Cosmology</subject><subject>Black holes</subject><subject>Circular orbits</subject><subject>Classical and Quantum Gravitation</subject><subject>Configurations</subject><subject>Differential Geometry</subject><subject>Einstein equations</subject><subject>Gravity</subject><subject>Mathematical and Computational Physics</subject><subject>Parameters</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Physics</subject><subject>Relativity</subject><subject>Relativity Theory</subject><subject>Research Article</subject><subject>Theoretical</subject><issn>0001-7701</issn><issn>1572-9532</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouK7-AG8Bz9WZtE1ab7LoKiwIfpxDNpusWbptTdpl--9NqeDJ0zDzfgw8hFwj3CKAuAsIArMEsEhYxvLkeEJmmAuWlHnKTskMADARAvCcXISwi2spuJiRw3v7ZbzTqqoGGob93nRxo7qprdv2XnWuqQNtLF2a2nhV0TdTxePBdQN1NW29CabWZnSEWKI8tc5Um3BPg2nVlB9F7bzuR7nxa9eFS3JmVRXM1e-ck8-nx4_Fc7J6Xb4sHlaJTpF3CaaosgKxhIxpDsAtQGoLC3qTCZvyUqBd801pIoLUMpthpjG3AkSuOV-LdE5upt7WN9-9CZ3cNb2v40vJoGACihIwunByad-E4I2VrXd75QeJIEe8csIrI1454pXHmGFTJkRvvTX-r_n_0A-c7n7r</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Stashko, O. 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General conditions for the disjoint structures to exist are formulated. To present examples we construct a two-parametric family of exact solutions to Einstein equations with scalar fields for appropriate self-interaction potentials. For different values of the family parameters the solutions describe either BH or naked singularity (NS). We found numerically regions of the parameters when there exist two disjoint regions of stable circular orbits; such nonconnected structures indeed can exist in case of both BH and NS solutions.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10714-018-2425-x</doi><tpages>19</tpages><orcidid>https://orcid.org/0000-0003-4734-9552</orcidid><orcidid>https://orcid.org/0000-0003-3690-483X</orcidid></addata></record> |
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| subjects | Astronomy Astrophysics and Cosmology Black holes Circular orbits Classical and Quantum Gravitation Configurations Differential Geometry Einstein equations Gravity Mathematical and Computational Physics Parameters Physics Physics and Astronomy Quantum Physics Relativity Relativity Theory Research Article Theoretical |
| title | Spherically symmetric configurations of General Relativity in presence of scalar fields: separation of circular orbits |
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