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Two theorems on approximation methods in perturbative field theory

✍ Scribed by A. Peterman


Book ID
113345641
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
103 KB
Volume
110
Category
Article
ISSN
0370-2693

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In-medium Chiral Perturbation Theory bey
✍ Ulf-G. Meißner; JosΓ© A. Oller; Andreas Wirzba πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 416 KB

An explicit expression for the generating functional of two-flavor low-energy QCD with external sources in the presence of nonvanishing nucleon densities was derived recently (J. A. Oller, Phys. Rev. C 65 (2002) 025204). Within this approach we derive power counting rules for the calculation of in-m