期刊
PHYSICS LETTERS B
卷 638, 期 5-6, 页码 531-537出版社
ELSEVIER
DOI: 10.1016/j.physletb.2006.04.057
关键词
quantum field theory; multi-loop calculations; tadpole diagrams
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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