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- Title
On the infrared divergence and global colour in N = 4 Yang-Mills theory.
- Authors
Ding, Su Yu; Karczmarek, Joanna; Semenoff, Gordon W.
- Abstract
The N = 4 superconformal Yang-Mills theory on flat four-dimensional Minkowski space is a de-confined gauge theory in the sense that the string tension for fundamental representation coloured quarks vanishes. In fact, static fundamental representation quarks which lie in certain half-BPS super-multiplets do not interact at all. An interesting question asks whether such quarks would carry a well-defined global colour charge which, when the gauge is fixed, should have the status of an internal symmetry. We shall present a simple paradigmatic model which suggests that the answer to this question lies in the way in which infrared divergences are dealt with.
- Subjects
YANG-Mills theory; MINKOWSKI space; COLOR; QUARKS
- Publication
Journal of High Energy Physics, 2020, Vol 2020, Issue 7, pN.PAG
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP07(2020)228