EFFECTIVE INTERACTIONS IN N=4 SUPERYANG-MILLS THEORY WITH SPONTANEOUSLY BROKEN SU(2) GAUGE SYMMETRY

Kubo, J.; Milewski, Bartosz

doi:10.1016/0550-3213(85)90224-X

EFFECTIVE INTERACTIONS IN N=4 SUPERYANG-MILLS THEORY WITH SPONTANEOUSLY BROKEN SU(2) GAUGE SYMMETRY

Apr, 1984

21 pages

Published in:

Nucl.Phys.B 254 (1985) 367-387

Published: 1985

DOI:

10.1016/0550-3213(85)90224-X

Report number:

MPI-PAE-PTH-25-84

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Abstract: (Elsevier)

Using N = 1 supergraph techniques, we show that no dim. ⩽ 6 effective operators can be generated at the one-loop level in N = 4 super-Yang-Mills theory with the gauge group SU(2) spontaneously broken down to U(1). Moreover, all gauge-invariant three-point functions with external massless particles vanish identically while nongauge-invariant contributions vanish on-shell. We have also calculated an example of a nonvanishing four-point scattering amplitude, showing that the theory is pertubatively nontrivial.

SUPERSYMMETRY
GAUGE FIELD THEORY: SU(2)
SPONTANEOUS SYMMETRY BREAKING
N-POINT FUNCTION
FEYNMAN GRAPH: HIGHER-ORDER
decoupling
DECOUPLING: COUPLING

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