most citedStrange and singlet form factors of the nucleon: Predictions for G0, A4, and HAPPEX-II experiments

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hep-th2021

Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect

C. D. Fosco, A. Silva

We evaluate the vacuum polarization tensor (VPT) for a massless Dirac field in 1+1 and 3+1 dimensions, in the presence of a particular kind of defect, which in a special limit impo…