Authors
Citation
Dc. Mattis et Jm. Wheatley, THEORY OF SUPEREXCHANGE IN CUO2, Physical review. B, Condensed matter, 52(21), 1995, pp. 15103-15106
Citations number
7
Categorie Soggetti
Physics, Condensed Matter
Journal title
ISSN journal
01631829
Volume
52
Issue
21
Year of publication
1995
Pages
15103 - 15106
Database
ISI
SICI code
0163-1829(1995)52:21<15103:TOSIC>2.0.ZU;2-7
Abstract
The limit method allows exact analysis of low-lying electronic states
in a strong-coupling model CuO2 plane. We extend it to nonorthogonal o
rbitals and fit to a t-t'-J model. The superexchange parameter is J =
g(3)(2)t, with t* the unit of energy and g(3) a lumped parameter.