Speaker
Mr
Jesper Leong
(Adelaide University)
Description
Neutron stars have long been used to gain insights into the nuclear equation of state (EoS). Here, we introduce short-distance repulsive interactions within the framework of the quark-meson coupling (QMC) model and show that the EoS supports heavy 2.1 solar mass stars even in the presence of hyperons and an exotic six-quark H-dibaryon. I close by discussing neutrino transport and stellar f-mode oscillations as possible probes to distinguish between nucleonic and non-nucleonic degrees of freedom, which the mass-radius measurements alone cannot resolve.
Author
Mr
Jesper Leong
(Adelaide University)