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Chiral anomalies in six dimensions from harmonic superspace

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Novak,  Joseph
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

1708.08238.pdf
(Preprint), 362KB

JHEP11(2017)145.pdf
(Publisher version), 415KB

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Citation

Kuzenko, S. M., Novak, J., & Samsonov, I. B. (2017). Chiral anomalies in six dimensions from harmonic superspace. Journal of high energy physics: JHEP, 2017(11): 145. doi:10.1007/JHEP11(2017)145.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-DB1E-3
Abstract
We develop a superfield approach to compute chiral anomalies in general ${\cal N}=(1,0)$ supersymmetric gauge theories in six dimensions. Within the harmonic-superspace formulation for these gauge theories, the anomalous contributions to the effective action only come from matter and ghost hypermultiplets. By studying the short-distance behaviour of the propagator for the hypermultiplet coupled to a background vector multiplet, we compute the covariant and consistent chiral anomalies. We also provide a superform formulation for the non-abelian anomalous current multiplet in general ${\cal N}=(1,0)$ supersymmetric gauge theories.