Regularization Ambiguity Problem for the Chern-Simons Shift
High Energy Physics - Theory
2009-10-31 v1
Abstract
We consider the Chern-Simons parameter shift with the hybrid regularization consisting of the higher covariant derivative (HCD) and the Pauli-Villars (PV) regulators. We show that the shift is closely related to the parity of the regulators and get the shift and no-shift results by a suitable choice of the PV regulators. A naive treatment of the HCD term leads incorrect value of the shift.
Cite
@article{arxiv.hep-th/9809036,
title = {Regularization Ambiguity Problem for the Chern-Simons Shift},
author = {K. Nittoh and T. Ebihara},
journal= {arXiv preprint arXiv:hep-th/9809036},
year = {2009}
}
Comments
7 pages, 1 figure, latex 2e, will appear at Mod. Phys. Lett. A