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Spinor fields in spherical symmetry: Einstein–Dirac and other space-times

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dc.contributor.authorRybakov, Y. P.
dc.contributor.authorSaha, B.
dc.contributor.authorBronnikov, K. A.
dc.contributor.authorБронников, Кирилл Александрович
dc.date.accessioned2024-11-25T15:47:02Z
dc.date.available2024-11-25T15:47:02Z
dc.date.issued2020
dc.description.abstract© 2020, Società Italiana di Fisica (SIF) and Springer-Verlag GmbH Germany, part of Springer Nature.We discuss the static, spherically symmetric Einstein-spinor field system in the possible presence of various spinor field nonlinearities. We take into account that the spinor field energy–momentum tensor (EMT) has in general some off-diagonal components, whose vanishing due to the Einstein equations substantially affects the form of the spinor field itself and the space-time geometry. In particular, the EMT structure with any spinor field nonlinearities turns out to be the same as that of the EMT of a minimally coupled scalar field with a self-interaction potential. Therefore, many results previously obtained for systems with such scalar fields are directly extended to the Einstein-spinor field system. Some special solutions are obtained and discussed, in particular a solution for the Einstein–Dirac system (which lacks asymptotic flatness) and some examples with spinor field nonlinearities.
dc.identifier.citationRybakov, Y. P. Spinor fields in spherical symmetry: Einstein–Dirac and other space-times / Rybakov, Y.P., Saha, B., Bronnikov, K.A. // European Physical Journal Plus. - 2020. - 135. - № 1. - 10.1140/epjp/s13360-020-00150-z
dc.identifier.doi10.1140/epjp/s13360-020-00150-z
dc.identifier.urihttps://www.doi.org/10.1140/epjp/s13360-020-00150-z
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dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000513507900032
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20190
dc.relation.ispartofEuropean Physical Journal Plus
dc.titleSpinor fields in spherical symmetry: Einstein–Dirac and other space-times
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume135
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