Prof. Ren-Xin Xu (Peking Univ.) visit our group and give colloquium speech

Feb 4, 2011

“Pulsars and Quark Stars”

In this presentation, after a brief introduction on different manifestations of pulsar-like compact stars, the nature of pulsars and the state of realistic dense matter at supra-nuclear density are discussed.

 Although conventionally pulsars are thought to be normal neutron stars, I argue that it is still an open issue whether they are indeed neutron stars or alternatively are quark stars. In particular, arguments from a model independent point of view are provided, to show that realistic quark matter could be in  solid state. The implications of this possibility for understanding various observational features are discussed.