Derivative expansion at small mass for the spinor effective action

Gerald V. Dunne, Adolfo Huet, Jin Hur, and Hyunsoo Min
Phys. Rev. D 83, 105013 – Published 16 May 2011

Abstract

We study the small-mass limit of the one-loop spinor effective action, comparing the derivative expansion approximation with exact numerical results that are obtained from an extension to spinor theories of the partial-wave cutoff method. In this approach, one can compute numerically the renormalized one-loop effective action for radially separable gauge field background fields in spinor QED. We highlight an important difference between the small-mass limit of the derivative expansion for spinor and scalar theories.

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  • Received 18 March 2011

DOI:https://doi.org/10.1103/PhysRevD.83.105013

© 2011 American Physical Society

Authors & Affiliations

Gerald V. Dunne1, Adolfo Huet1,2, Jin Hur3, and Hyunsoo Min4

  • 1Department of Physics, University of Connecticut, Storrs, Connecticut 06269-3046, USA
  • 2Instituto de Física y Matemáticas, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán 58040, Mexico
  • 3School of Computational Sciences, Korea Institute for Advanced Study, Seoul 130-012, Korea
  • 4Department of Physics, University of Seoul, Seoul 130-743, Korea

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Issue

Vol. 83, Iss. 10 — 15 May 2011

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