University of Connecticut

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Particle, Astrophysics, and Nuclear Physics Seminar

Monday, November 25, 2019
2:00pm – 3:00pm

Storrs Campus
GS-413E

Dr. N. Wink, University of Heidelberg

The gluon spectral function and its applications

Despite their fundamental importance, reliable access to time-like correlation functions in QCD remains an unsolved problem. One way of accessing spectral functions in a theory is via numerical reconstruction based on data acquired in Euclidean space-time. After general considerations concerning the analytic structure of correlation functions it is shown how this information can be used to improve on existing spectral reconstruction techniques. The novel method is applied to the gluon in Landau gauge and the result is used to access bulk and shear viscosity.

Contact:

Prof. L. Jin

Physics Department (primary), College of Liberal Arts and Sciences, UConn Master Calendar

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