Journal
PHYSICS LETTERS B
Volume 638, Issue 5-6, Pages 531-537Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2006.04.057
Keywords
quantum field theory; multi-loop calculations; tadpole diagrams
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An efficient method to calculate tadpole diagrams is proposed. Its capability is demonstrated by analytically evaluating two four-loop tadpole diagrams of current interest in the literature, including their 0 (epsilon) terms in D = 4 - 15 space-time dimensions. (c) 2006 Elsevier B.V. All rights reserved.
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