The fermion self-energy during inflation

S. P. Miao, R. P. Woodard

研究成果: Article同行評審

92 引文 斯高帕斯(Scopus)

摘要

We compute the one-loop fermion self-energy for massless Dirac + Einstein in the presence of a locally de Sitter background. We employ dimensional regularization and obtain a fully renormalized result by absorbing all divergences with BPHZ counterterms. An interesting technical aspect of this computation is the need for a noninvariant counterterm owing to the breaking of de Sitter invariance by our gauge condition. Our result can be used in the quantum-corrected Dirac equation to search for inflation-enhanced quantum effects from gravitons, analogous to those which have been found for massless, minimally coupled scalars.

原文English
頁(從 - 到)1721-1761
頁數41
期刊Classical and Quantum Gravity
23
發行號5
DOIs
出版狀態Published - 2006 3月 7

All Science Journal Classification (ASJC) codes

  • 物理與天文學(雜項)

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