Publication: Rotating Cylinders with Anisotropic Fluids in General Relativity
Дата
2019
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Аннотация
We consider anisotropic fluids with directional pressures p(i) = w(i) ( is the density, w(i) = const, i = 1, 2, 3) as sources of gravity in stationary cylindrically symmetric space-times. We describe a general way of obtaining exact solutions with such sources, where the main features are splitting of the Ricci tensor into static and rotational parts and using the harmonic radial coordinate. Depending on the values of w(i), it appears possible to obtain general or special solutions to the Einstein equations, thus recovering some known solutions and finding new ones. Three particular examples of exact solutions are briefly described: with a stiff isotropic perfect fluid (p = ), with a distribution of cosmic strings of azimuthal direction (i.e., forming circles around the z axis), and with a stationary combination of two opposite radiation flows along the z axis.
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Bolokhov, S. V. Rotating Cylinders with Anisotropic Fluids in General Relativity / Bolokhov, SV, Skvortsova, MV, Bronnikov, KA // Gravitation and Cosmology. - 2019. - 25. - № 2. - P. 122-130;. - 10.1134/S020228931902004X
URI
https://www.doi.org/10.1134/S020228931902004X
https://www.scopus.com/record/display.uri?eid=2-s2.0-85067241280&origin=resultslist
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https://openrepository.mephi.ru/handle/123456789/18235
https://www.scopus.com/record/display.uri?eid=2-s2.0-85067241280&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000471188100004
https://openrepository.mephi.ru/handle/123456789/18235