https://doi.org/10.1140/epjc/s10052-019-7177-6
Letter
Gravitational field of a spherical perfect fluid
1
Javakhishvili Tbilisi State University, 3 Chavchavadze Avenue, 0179, Tbilisi, Georgia
2
Andronikashvili Institute of Physics, 6 Tamarashvili Street, 0177, Tbilisi, Georgia
3
Department of Physics, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
* e-mail: gogber@gmail.com
Received:
26
May
2019
Accepted:
29
July
2019
Published online:
6
August
2019
Analyzing the spacetime for a static spherically distributed perfect fluid we show that the smooth matching of the interior and exterior metrics for a realistic source is possible only for the distances from the origin that exceeds the photon sphere radius for this object.
© The Author(s), 2019
