Topologically distinct Feynman diagrams for mass operator in electron-phonon interaction

• Published in: Condensed Matter Physics
• Date: 2009
• Main Author: Tovstyuk, C.C.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2009
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119990
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Topologically distinct Feynman diagrams for mass operator in electron-phonon interaction / C.C. Tovstyuk // Condensed Matter Physics. — 2009. — Т. 12, № 2. — С. 225-238. — Бібліогр.: 14 назв. — англ.

The new method for designing topologically distinct Feynman diagrams for electron's mass operator in electronphonon interaction is developed using the permutation group theory. The carried out classification of DPs allows to choose the classes, corresponding to disconnected diagrams, to singl...