Publication
Physics Letters A
Paper

Linked cluster theorem for the Abrikosov pseudo-fermion representation of spin operators

View publication

Abstract

A linked cluster theorem is demonstrated for the self-energy of the average Green function of one electron moving in a low concentration of randomly positioned spins. The self-energy differs from what has previously been assumed by a frequency-independent but temperature-dependent factor. © 1972.

Date

05 Jun 1972

Publication

Physics Letters A

Authors

Share