期刊
NUCLEAR PHYSICS B
卷 754, 期 1-2, 页码 127-145出版社
ELSEVIER
DOI: 10.1016/j.nuclphysb.2006.07.023
关键词
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We calculate the quantum corrections to the mass of the zero mode of the fifth component of the gauge field at two-loop level in a five-dimensional massless QED compactified on S-1. We discuss in detail how the divergences are exactly canceled and the mass becomes finite. The key ingredients to obtain the result are the shift symmetry and the Ward-Takahashi identity. We also evaluate the finite part of corrections. (c) 2006 Elsevier B.V. All rights reserved.
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