| Issue |
EPJ Web Conf.
Volume 175, 2018
35th International Symposium on Lattice Field Theory (Lattice 2017)
|
|
|---|---|---|
| Article Number | 12007 | |
| Number of page(s) | 8 | |
| Section | 12 Vacuum Structure and Confinement | |
| DOI | https://doi.org/10.1051/epjconf/201817512007 | |
| Published online | 26 March 2018 | |
https://doi.org/10.1051/epjconf/201817512007
Observation of a Coulomb flux tube
Physics and Astronomy Dept., San Francisco State University, San Francisco CA 94132 USA
* Speaker. e-mail: greensit@sfsu.edu. 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
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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