"Generation of Structure under Extreme Conditions" - Department of Physics and Astronomy

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“Generation of Structure under Extreme Conditions”

February 28 @ 4:00 pm - 5:00 pm

UNC-CH Nuclear Colloquium
Jens Braun, Technical University of Darmstadt
“Generation of Structure under Extreme Conditions”
The theory of the strong interaction describes the appearance of the fundamental building blocks of matter in the early universe and the subsequent formation of nuclei. Matter in those regimes is currently probed in large-accelerator experiments all over the world. Simultaneously, table-top experiments with fermionic atoms in the nano-Kelvin regime provide a clean and versatile environment to test our understanding of a broad range of related phenomena: from superconductivity and the formation of condensates to the generation of bound states in strongly coupled systems.
What do these systems have in common? Ultracold atomic gases and strong-interaction matter are actually similar in many ways. I will review some of the most intriguing open questions at their intersection, connecting low-energy nuclear physics, the fundamental theory of the strong interaction and ultracold gases: What is the dynamics underlying neutron stars? How do bound states form under extreme conditions? What keeps the nucleons together in the nuclei forming the nuclear chart?
These have been challenging questions for decades. Fascinatingly, high-precision nuclear decay experiments at low energies also open up new windows to constrain physics beyond the Standard Model of Particle Physics. I will discuss how bridging the gaps across areas and exchanging methods and ideas between all these fields offers points of contact and departure for techniques as well conceptual insights, which together make for a unique opportunity to understand the properties of nuclei and dense nuclear matter in an ab initio fashion.


February 28
4:00 pm - 5:00 pm