There are different isolated and binary neutron star populations. Among these, we work on the neutron stars interacting with accretion disks in binaries and with fallback disks in isolated systems. We investigate, through analytical and numerical methods, the physics of the different rotational phases and the resultant rotational and radiative evolution of these systems.
Our research group at SU investigates (i) the long-term X-ray luminosity and the rotational evolution of the isolated neutron star populations, namely anomalous X-ray pulsars, soft gamma repeaters, dim isolated neutron stars, central compact objects, rotating radio transients, and high-magnetic-field radio pulsars, (ii) spin-up and spin-down behaviors of neutron stars arising from their interaction with the accretion disks, and (iii) some characteristic rotational, radiative and statistical properties of the millisecond pulsars and their progenitors in X-ray binaries, which cannot be accounted for by the conventional models.
