1995/02/28 by P. Di Vecchia, A. Lerda, Lorenzo Magnea +3 · 34 citations
Physics and Astronomy · #Background field method #Black Holes and Theoretical Physics #Feynman diagram #Gauge theory #Heterotic string theory #Mathematical physics #Non-critical string theory #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum gravity #Quantum mechanics #Relationship between string theory and quantum field theory #Renormalization #String (physics) #String field theory #Theoretical physics #hep-ph #hep-th
paper · pdf · doi:10.1016/0370-2693(95)00414-g
published in Physics Letters B 351(4), 445-454 (Elsevier BV) · 14 pages, latex, no figures
arxiv created 1995/02/28 · openalex publication_date 1995/06/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We present a unified point of view on the different methods available in the literature to extract gauge theory renormalization constants from the low-energy limit of string theory. The Bern-Kosower method, based on an off-shell continuation of string theory amplitudes, and the construction of low-energy string theory effective actions for gauge particles, can both be understood in terms of strings interacting with background gauge fields, and thus reproduce, in the low-energy limit, the field theory results of the background field method. We present in particular a consistent off-shell continuation of the one-loop gluon amplitudes in the open bosonic string that reproduces exactly the results of the background field method in the Feynman gauge.