Field Calculus: Quantum and Statistical Field Theory without the Feynman Diagrams

• Published in: Symmetry, Integrability and Geometry: Methods and Applications
• Date: 2022
• Main Author: Gough, John E.
• Format: Article
• Language: English
• Published: Інститут математики НАН України 2022
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/211624
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Field Calculus: Quantum and Statistical Field Theory without the Feynman Diagrams. John E. Gough. SIGMA 18 (2022), 044, 15 pages

For a given base space (spacetime), we consider the Guichardet space over the Guichardet space over . Here we develop a ''field calculus'' based on the Guichardet integral. This is the natural setting in which to describe Green function relations for Boson systems. Here we can f...