TY  - JOUR 
AU  - Herrera, Luis
AU  - Di Prisco, Alicia
AU  - Ospino Zúñiga, Justo Hernán
PY  - 2024
SN  - 2073-8994
UR  - http://hdl.handle.net/10366/162344
AB  - [EN]We explore an idea put forward many years ago by Zeldovich and Novikov concerning the existence of compact objects endowed with arbitrarily small mass. The energy density of such objects, which we call “ghost stars”, is negative in some regions of...
LA  - eng
PB  - MDPI
KW  - Relativistic fluids
KW  - Interior solutions
KW  - Spherically symmetric sources
TI  - Ghost Stars in General Relativity
DO  - 10.3390/sym16050562
T2  - Symmetry
VL  - 16
ER  -