EPJ Web Conf.
Volume 175, 201835th International Symposium on Lattice Field Theory (Lattice 2017)
|Number of page(s)||8|
|Section||12 Vacuum Structure and Confinement|
|Published online||26 March 2018|
Observation of a Coulomb flux tube
Physics and Astronomy Dept., San Francisco State University, San Francisco CA 94132 USA
* Speaker. e-mail: email@example.com. Work supported by the US Dept. of Energy under Grant No. DE-SC0013682.
Published online: 26 March 2018
In Coulomb gauge there is a longitudinal color electric field associated with a static quark-antiquark pair. We have measured the spatial distribution of this field, and find that it falls off exponentially with transverse distance from a line joining the two quarks. In other words there is a Coulomb flux tube, with a width that is somewhat smaller than that of the minimal energy flux tube associated with the asymptotic string tension. A confinement criterion for gauge theories with matter fields is also proposed.
© The Authors, published by EDP Sciences, 2018
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