COMPETITION BETWEEN SPIN, CHARGE, AND BOND WAVES IN A PEIERLS-HUBBARDMODEL

Authors
VENEGAS PA HENRIQUEZ C ROSSLER J
Citation
Pa. Venegas et al., COMPETITION BETWEEN SPIN, CHARGE, AND BOND WAVES IN A PEIERLS-HUBBARDMODEL, Physical review. B, Condensed matter, 54(5), 1996, pp. 3015-3018
Citations number
17
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
54
Issue
5
Year of publication
1996
Pages
3015 - 3018
Database
ISI
SICI code
0163-1829(1996)54:5<3015:CBSCAB>2.0.ZU;2-0
Abstract
We study a one-dimensional extended Peierls-Hubbard model coupled to i ntracell and intercell phonons for a half-filled band. The calculation s are made using the Hartree-Fock and adiabatic approximations for arb itrary temperature. In addition to static spin, charge, and bond densi ty waves, we predict intermediate phases that lack inversion symmetry, and phase transitions that reduce symmetry on increasing temperature.