SINGLE-PARTICLE EXCITATIONS IN ITINERANT ANTIFERROMAGNETS AT SMALL DOPING

Authors
BRENIG W KAMPF AP BECKER KW
Citation
W. Brenig et al., SINGLE-PARTICLE EXCITATIONS IN ITINERANT ANTIFERROMAGNETS AT SMALL DOPING, Physica. B, Condensed matter, 194, 1994, pp. 175-176
Citations number
5
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
194
Year of publication
1994
Part
1
Pages
175 - 176
Database
ISI
SICI code
0921-4526(1994)194:<175:SEIIAA>2.0.ZU;2-G
Abstract
We present a selfconsistent strong coupling scheme to evaluate the sin gle particle Green's function for the two dimensional Hubbard model in the doped spin density wave state. For small doping we analyze the qu asiparticle properties including the dispersion and the quasiparticle weight. Novel incoherent contributions to the spectral function result ing from multi spin wave processes are discussed.