Summing the derivative expansion of the effective action

Eduard Massó, Francesc Rota

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Abstract

The derivative expansion of the effective action is a perturbative development in derivatives of the fields. The expansion breaks down when some of the derivatives are too large. We show how to sum exactly the first and second derivatives and treat perturbatively derivatives higher than second. © 2002 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)566-578
JournalNuclear Physics B
Volume620
DOIs
Publication statusPublished - 1 Jan 2002

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