Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-03-29
Phys.Lett. B482 (2000) 429-439
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX, 12 pages; minor corrections
Scientific paper
10.1016/S0370-2693(00)00527-X
We investigate the low-energy effective action in N=4 super Yang-Mills theory with gauge group SU(n) spontaneously broken down to its maximal torus. Using harmonic superspace technique we prove an absence of any three- and four-loop corrections to non-holomorphic effective potential depending on N=2 superfield strengths. A mechanism responsible for vanishing arbitrary loop corrections to low-energy effective action is discussed.
Buchbinder Ioseph L.
Petrov Aleksandr Yu.
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