Hypermultiplet dependence of the effective action in ${\cal N}=2$ superconformal theories

Details Hypermultiplet dependence of the effective action in ${\cal N}=2$ superconformal theories Hypermultiplet dependence of the effective action in ${\cal N}=2$ superconformal theories

2008-05-21

arxiv.org/abs/0805.3198v1

Physics

High Energy Physics

High Energy Physics - Theory

contribution to the special volume, dedicated to sixtieth anniversary of Professor I.L. Buchbinder

Scientific paper

I review the approach [1] to the one-loop low-energy effective action in the hypermultiplet sector for N=2 superconformal models. Any such a model contains an N=2 vector multiplet and some number of hypermultiplets. We found a general expression for the low-energy effective action in the form of a proper-time integral. The leading space-time dependent contributions to the effective action are derived and their bosonic component structure is analyzed. The component action contains terms with three and four space-time derivatives of component fields and has the Chern-Simons-like form.

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