Colloquia / Seminars
In Fall 2020, the UNC Department of Physics and Astronomy and the Duke Physics Department presents general physics lectures by Duke and UNC faculty for members of both departments.
Lectures will be delivered via Zoom with links distributed via email.
Colloquia will be held biweekly, always starting at 3:30pm. There will be one special Colloquium by an external speaker on Sept. 30.
M Aug 24
Quantifying the Shear Viscosity of Nature’s Most Ideal Liquid
Steffen Bass, Duke University
Collisions of heavy nuclei at ultrarelativistic velocities are currently utilized at the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC) to recreate matter at temperatures and densities as have only existed in the early universe, a couple of microseconds after the Big Bang. This Quark-Gluon Plasma (QGP), consisting of deconfined quarks and gluons, is nearly an ideal fluid with zero viscosity.
A primary goal of heavy-ion physics is the measurement of the fundamental properties of the QGP, notably its transport coefficients and initial state properties. Since these properties are not directly measurable, one relies on a comparison of experimental data to computational models of the time-evolution of the collision to connect measured observables to the properties of the transient QGP state.
Over the last few years the Duke QCD group has developed techniques based on Bayesian statistics that allow for the simultaneous calibration of a large number of model parameters and the precision extraction of QGP properties including their quantified uncertainties. The analysis has provided the first determination of the temperature-dependent viscosity of the QGP.
W Sep 9
Dynamics of strongly interacting systems
Gökçe Basar, University of North Carolina at Chapel Hill
M Sep 21
Experiments with quantum materials
Sara Haravifard, Duke University
W Sep 30
Physics of energy
Robert Jaffe, Massachusetts Institute of Technology
W Oct 7
Lattice QCD and physics beyond the Standard Model
Amy Nicholson, University of North Carolina at Chapel Hill
M Oct 19
Experimental biophysics & soft matter
Christoph Schmidt, Duke University
W Nov 4
Experimental astrophysics – exoplanets
Nicholas Law, University of North Carolina at Chapel Hill