2002/08/20 by MONIKA SINHA, Monika Sinha, JISHNU DEY +8 · 1 citation
Physics and Astronomy · #Astrophysical Phenomena and Observations #Cosmology and Gravitation Theories #Equation of state #Limiting #Pulsars and Gravitational Waves Research #Quark star #RADIUS #Schwarzschild radius #Stability (learning theory) #Star (game theory) #Stars #astro-ph
paper · pdf · doi:10.1142/s0217732302008101
published as Mod.Phys.Lett. A17 (2002) 1783-1796 · 16 pages including 5 figures. Accepted for publication in MPLA
arxiv created 2002/08/20 · openalex publication_date 2002/09/07 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
A realistic EOS (equation of state) leads to strange stars (ReSS) which are compact in the mass–radius (M–R) plot, close to the Schwarzschild limiting line. 1 Many of the observed stars fit in with this kind of compactness, irrespective of whether they are X-ray pulsars, bursters or soft γ repeaters or even radio pulsars. We point out that a change in the radius of a star can be small or large, when its mass is increasing and this depends on the position of a particular star on the M–R curve. We carry out a stability analysis against radial oscillations and compare with the EOS of other SS models. We find that the ReSS is stable and an M–R region can be identified to that effect.