0134280 - FZU-D 20030176 RIV GB eng J - Článek v odborném periodiku
Janiš, Václav
Two-particle renormalizations in many-fermion perturbation theory: the importance of the Ward identity.
Journal of Physics-Condensed Matter. Roč. 15, - (2003), s. L311-L317. ISSN 0953-8984. E-ISSN 1361-648X
Grant CEP: GA ČR GA202/01/0764
Výzkumný záměr: CEZ:AV0Z1010914
Klíčová slova: Ward identity * electron correlations * conservation laws
Kód oboru RIV: BE - Teoretická fyzika
Impakt faktor: 1.757, rok: 2003

A Ward identity between the one-electron self-energy and a two-particle irreducible vertex in interacting electron systems is derived.
Trvalý link: http://hdl.handle.net/11104/0032193