Broadening of the confining flux tube joining higher-representation sources

Details Broadening of the confining flux tube joining higher-representation sources Broadening of the confining flux tube joining higher-representation sources

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006slft.confe..70l&link_type=abstract

Proceedings of the XXIVth International Symposium on Lattice Field Theory. July 23-28, 2006, Tucson, Arizona., p.70.1

Computer Science

Scientific paper

In the context of confining gauge theories we study the flux tube generated by a pair of static sources belonging to higher rank representations of the gauge group. Using a simple geometric approach based on minimal surfaces describing the world-sheet of the underlying k-string, we infer logarithmic broadening of the flux tube as a function of source separation. It turns out that the coefficient of the logarithm does not depend on the specific representation of the source nor on its N-ality and is universal. Numerical results on a Z4 gauge theory in three dimensions with static sources carrying two units of elementary flux compare very favourably with these predictions.

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