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Theory Center Seminar<br>
Monday, Dec. 1, 2014<br>
CEBAF Center, Room L102<br>
1:00 p.m. <br>
<br>
Michael Pennington<br>
Jefferson Lab<br>
<br>
<b>Progress in Strong Coupling QCD</b><br>
<span><br>
This talk is subtitled “Schwinger-Dyson studies for beginners”.
Progress over decades in learning about <br>
strong coupling QCD is the background to this talk. However, QED
is far easier to understand and will be<br>
discussed as a guide to a consistent strong coupling truncation of
the infinity of Schwinger-Dyson equations. <br>
Every step leads to new issues and new problems. Nevertheless,
this approach to strong coupling field theory<br>
naturally embraces quark masses from zero to top, naturally
encodes chiral symmetry breaking and continuously<br>
connects asymptotic freedom to confinement.</span>
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