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Neutron stars are prime examples of physical systems that require an understanding of both strongly interacting many-body nuclear physics and general relativity. The properties of neutron stars are known to depend sensitively on the equation of state (EOS) of matter at ultra-nuclear density, which is still not well understood. It is thus quite surprising that approximate EOS independent relations connecting various physical quantities of neutron stars can be found. In this talk, we shall discuss how these universal relations can be used to infer the properties of neutron stars and help modelling the gravitational waves emitted from binary neutron star systems.
Dr. Lap-Ming Lin is Senior Lecturer of Physics at the Chinese University of Hong Kong (CUHK). After receiving his BSc and MPhil degrees from CUHK, he studied in the US and received his PhD degree from the Washington University in St. Louis in 2004. He then joined the Observatory of Paris-Meudon as a postdoctoral fellow working in the field of numerical relativity for two years before coming back to CUHK. His current research interests include the gravitational wave signatures of neutron stars and the effects of dark matter on compact objects.