Speaker
Ms
Magdalena Szkudlarek
(Kepler Institute of Astronomy University of Zielona Gora)
Description
Strange quark stars are considered as a possible alternative to neutron stars as compact objects. We present first fully relativistic calculations of differentially rotating strange quark stars for broad ranges of stellar masses and the degree of differential rotation. A newly born, hot neutron star (or a strange star) formed in a supernova explosion is supposed to rotate differentially. Using a highly accurate, relativistic code we calculate main properties (e.g. allowed masses, radii, the stability parameters) of rigidly and differentially rotating strange quark stars. We show that the rotation may cause a significant increase of maximum allowed mass of strange quark star, much larger than in the case of neutron stars. A compact star stabilized by differential rotation could be an important source of gravitational waves.
Primary author
Ms
Magdalena Szkudlarek
(Kepler Institute of Astronomy University of Zielona Gora)
Co-authors
Dr
Dorota Gondek - Rosinska
(Kepler Institute of Astronomy University of Zielona Gora)
Dr
Loic Villain
(Laboratoire de Mathématiques et Physique Théorique)
Prof.
Marcus Ansorg
(Theoretisch-Physikalisches Institut Friedrich-Schiller-Universität Jena)
