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Physics Colloquium: Into the Mantle of the Neutron Star: Probing Super(con)densed Matter under Extreme Conditions
Wednesday, Sep 3
4:15 p.m. - 5 p.m. Location: HH 2.402

Dr. Will Newton (Texas A&M Commerce)

     Neutron stars, born in the collapse of massive stellar cores, offer a fascinating glimpse into physics under the most extreme conditions. All four fundamental forces play an important role in determining the structure and dynamics of neutron stars, giving rise to a rich phenomenology manifest in observations over the whole electromagnetic spectrum. Understanding observed behaviors of neutron stars requires a close interplay of astrophysical observation and modeling, and nuclear physics experiment and theory. 

     I will present how our current understanding of neutron star structure has arisen from this interplay. Neutron stars have a thin (approx. 1km) solid crust surrounding a core (approx 10km in radius) of fluid nucleons. I will focus on the region where the crust transitions to the core, sometimes referred to as its mantle. This layer is expected to exhibit a number of fascinating material properties with strong analogies in soft condensed matter physics. I will detail the physics of the mantle, how we can go about testing our physical models observationally, and the fundamental nuclear physics questions that helps us answer.

 

Contact Info:
Michael Kesden, 972-883-3598
Questions? Email me.

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