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18 February 2025 |
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Article overview
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Currents in supersymmetric field theories | Jean-Pierre Derendinger
; | Date: |
1 Sep 2016 | Abstract: | A general formalism to construct and improve supercurrents and source or
anomaly superfields in two-derivative N=1 supersymmetric theories is presented.
It includes arbitrary gauge and chiral superfields and a linear superfield
coupled to gauge fields. These families of supercurrent structures are
characterized by their energy-momentum tensors and R currents and they display
a specific relation to the dilatation current of the theory. The linear
superfield is introduced in order to describe the gauge coupling as a
background (or propagating) field. Supersymmetry does not constrain the
dependence on this gauge coupling field of gauge kinetic terms and
holomorphicity restrictions are absent. Applying these results to an effective
(Wilson) description of super-Yang-Mills theory, matching or cancellation of
anomalies leads to an algebraic derivation of the all-order NSVZ beta function. | Source: | arXiv, 1609.0164 | Services: | Forum | Review | PDF | Favorites |
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