Star-plus-wormhole systems with two interacting scalar fields
2015 ◽
Vol 24
(14)
◽
pp. 1550097
◽
Keyword(s):
We study static, spherically symmetric mixed configurations with a nontrivial (wormhole) spacetime topology provided by the presence of two interacting ghost scalar fields. Wormhole is assumed to be filled by a perfect relativistic neutron fluid modeled by a polytropic equation of state. For such mixed configurations, we find regular, asymptotically flat general relativistic solutions. It is shown that the maximum of the fluid density is always shifted from the center and the resulting configurations represent, in general, double-throat systems.
2019 ◽
Vol 16
(04)
◽
pp. 1950056
2018 ◽
Vol 27
(07)
◽
pp. 1850063
◽
2004 ◽
Vol 13
(07)
◽
pp. 1441-1445
◽
Keyword(s):
2016 ◽
Vol 94
(10)
◽
pp. 1093-1101
◽
2019 ◽
Vol 79
(10)
◽
Keyword(s):
2019 ◽
Vol 35
(06)
◽
pp. 2050017
◽
2004 ◽
Vol 13
(07)
◽
pp. 1375-1379
◽
Keyword(s):