[Jlab-seminars] Theory Center Seminar

[Mary Fox]

Theory Center Seminar
Monday, April 22, 2013
CEBAF Center, Room L102
1:00 p.m. (coffee at12:45 p.m.)

Valentin Mader
University of Graz

*The Dyson-Schwinger Approach to Confinement in Different Gauges*

The Dyson-Schwinger approach is used to study the Confinement problem in 
various
covariant gauges. I report on the inclusion of the sunset diagram in the 
gluon-propagator-
DSE in Landau gauge and its implication on studies of the 
Dyson-Schwinger equations
in the Maximal Abelian gauge. The Kugo-Ojima confinement criterion is 
generalized to
Maximal Abelian- and ghost-antighost symmetric- gauges. Similarities and 
differences
to the confinement criterion of ordinary covariant gauges and 
(unconfined) QED are
emphasized.
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