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The method of vacuum background fields

✍ Scribed by H.G. Dosch


Book ID
113391915
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
272 KB
Volume
23
Category
Article
ISSN
0920-5632

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Algebraic Aspects of the Background Fiel
✍ Ruggero Ferrari; Marco Picariello; Andrea Quadri πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 133 KB

The background field method allows the evaluation of the effective action by exploiting the (background) gauge invariance, which in general yields Ward identities, i.e., linear relations among the vertex functions. In the present approach an extra gauge fixing term is introduced right at the beginni