On the construction of ${\cal N}=4$ SYM effective action beyond leading low-energy approximation

Details On the construction of ${\cal N}=4$ SYM effective action beyond leading low-energy approximation On the construction of ${\cal N}=4$ SYM effective action beyond leading low-energy approximation

2004-01-05

arxiv.org/abs/hep-th/0401006v1

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 6 pages, Talk given by at the International Workshop ``Supersymmetries and Quantum Symmetries'' (SQS 03), BLTP, JINR, D

Scientific paper

A problem of the hidden ${\cal N}=2$ supersymmetry deformation for next-to-leading terms in the effective action for ${\cal N}=4$ SYM theory is discussed. Using formulation of the theory in ${\cal N}=2$ harmonic superspace and exploring the on-shell hidden ${\cal N}=2$ supersymmetry of ${\cal N}=4$ SYM theory, we construct the appropriate hypermultiplet-depending contributions for $F^6$ term in the Schwinger-De Witt expansion of the effective action. The procedure involves deformed hidden ${\cal N}=2$ supersymmetry and allows one to obtain self-consistently the correct ${\cal N}=4$ supersymmetric functional containing $F^{6}$ among the component fields.

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