Physics
Scientific paper
Jan 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.140..385k&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 140, no. 2, Jan. 1988, p. 385-401.
Physics
8
Relativistic Theory, Stellar Models, Stellar Physics, Dynamic Stability, Equations Of State, Gravitational Fields, Light Speed
Scientific paper
The properties of an exact solution of Einstein's field equations for an isentropic fluid sphere, found independently by Adler (1974), Kuchowicz (1975), and Adams and Cohen (1975), are investigated. It is found that the most important parameter in the solution is the degree of compressibility y. If y is less than 0.82, the fluid sphere is stable; then, the weak energy condition is fulfilled, and the speed of sound is less than the speed of light. In this case, the adiabatic index is also increasing outward. However, for the strong energy condition to hold everywhere inside the sphere, the degree of compressibility must be less than 0.58. If y is somewhat greater than 0.65, the speed of sound is increasing from the origin outwards to a certain layer. Outwards from that layer to the boundary of the fluid sphere, the sound speed is decreasing.
No associations
LandOfFree
Some physical properties and stability of an exact model of a relativistic star does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Some physical properties and stability of an exact model of a relativistic star, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Some physical properties and stability of an exact model of a relativistic star will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1044266