Izyumov, Yu.A.; Chaschin, N.I.; Alexeev, D.S.
(Condensed Matter Physics, 2005)
A Kadanoff-Baym-type generating functional approach, earlier developed
by the authors to strongly correlated systems, is applied to the sd-model
with strong sd-coupling. Formalism of the Hubbard X -operators was used,
and ...