Publication:
Rotating Melvin-like Universes and Wormholes in General Relativity

Файлы
W3047486460.pdf(327.37 KB)
Дата
2020
Авторы
Bronnikov, K. A.
Krechet, V. G.
Oshurko, V. B.
Journal Title
Journal ISSN
Volume Title
Издатель
Научные группы
Организационные подразделения
OrgUnit Logo
Организационная единица
Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
Выпуск журнала
Аннотация
We find a family of exact solutions to the Einstein-Maxwell equations for rotating cylindrically symmetric distributions of a perfect fluid with the equation of statep=w rho(|w|<1), carrying a circular electric current in the angular direction. This current creates a magnetic field along thezaxis. Some of the solutions describe geometries resembling that of Melvin's static magnetic universe and contain a regular symmetry axis, while some others (in the casew>0) describe traversable wormhole geometries which do not contain a symmetry axis. Unlike Melvin's solution, those with rotation and a magnetic field cannot be vacuum and require a current. The wormhole solutions admit matching with flat-space regions on both sides of the throat, thus forming a cylindrical wormhole configuration potentially visible for distant observers residing in flat or weakly curved parts of space. The thin shells, located at junctions between the inner (wormhole) and outer (flat) regions, consist of matter satisfying the Weak Energy Condition under a proper choice of the free parameters of the model, which thus forms new examples of phantom-free wormhole models in general relativity. In the limitw -> 1, the magnetic field tends to zero, and the wormhole model tends to the one obtained previously, where the source of gravity is stiff matter with the equation of statep=rho.
Описание
Ключевые слова
Цитирование
Bronnikov, K. A. Rotating Melvin-like Universes and Wormholes in General Relativity / Bronnikov, KA, Krechet, VG, Oshurko, VB // Symmetry. - 2020. - 12. - № 8. - 10.3390/sym12081306
URI
https://www.doi.org/10.3390/sym12081306
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85096207393&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000564595800001
 https://openrepository.mephi.ru/handle/123456789/22327
Коллекции
Публикации