On perturbative quantum field theory with boundary

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Abstract

Boundary quantum field theory is investigated in the Lagrangian framework. Models are defined perturbatively around the Neumann boundary condition. The analyticity properties of the Green functions are analyzed: Landau equations, Cutkosky rules together with the Coleman-Norton interpretation are derived. Illustrative examples as well as argument for the equivalence with other perturbative expansions are presented.

Original languageEnglish
Pages (from-to)585-617
Number of pages33
JournalNuclear Physics B
Volume682
Issue number3
DOIs
Publication statusPublished - Mar 29 2004

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equivalence
Green's functions
boundary conditions
expansion

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

On perturbative quantum field theory with boundary. / Bajnok, Z.; Böhm, G.; Takács, G.

In: Nuclear Physics B, Vol. 682, No. 3, 29.03.2004, p. 585-617.

Research output: Contribution to journalArticle

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