Physikalisches Kolloquium: Exploring dense matter with neutron stars

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Kurzfassung: Neutron stars are born as the endpoint of stellar evolution in core-collapse supernovae. The densities in a neutron star are extremely high, so high that nuclei are squeezed into their constituents, neutrons and protons. Exotic matter can appear in the core, either in the form of hyperons or as a new phase in the form of strange quark matter. The properties of neutron stars are determined by the nuclear equation of state of dense matter, so that the observation of neutron stars and neutron star merger can give a telltale signature of the properties of dense matter under extreme conditions. The present astrophysical data on neutron stars and pulsars, rotation-powered neutron stars, is reviewed. The equation of state of dense matter will be discussed and possible implications for future observations of core-collapse supernovae and neutron star mergers will be outlined. 

Biographie: 

• 1994: PhD at the Goethe Universität, Frankfurt am Main

• 1994-1996: Research Fellow at the Niels Bohr Institute, Copenhagen, Denmark

• 1996-1998: Visiting Research Scholar at LBNL, Berkeley, USA

• 1998-2001: Research Scientist at RIKEN BNL Research Center, Upton, USA

• 2001-2002: Research Associate at Columbia University, New York, USA University

• 2003-: Lecturer at the Goethe Universität, Frankfurt am Main

• 2008-2012: Professor at the Ruprecht-Karls-Universität, Heidelberg

• 2016-: Professor at the Goethe Universität, Frankfurt am Main