---
res:
bibo_abstract:
- The conserving and self-consistent fluctuation-exchange approximation is used
to calculate the quasi-particle self-energy and the dynamic spin susceptibility
for the two-dimensional Hubbard model at band-fillings n somewhat below half-filling
(n = 1). The spectral density of the spin susceptibility exhibits incommensurate
peaks similar to those observed by neutron scattering in La2-xSrxCuO4. No spin-density-wave
instability is found down to the lowest temperatures T (greater than or similar
to 40 K) and up to the largest n (less than or similar to 0.85) and couplings
U/t (less than or similar to 5) treated in this paper. For the same parameter
space we calculate the eigenvalues of the superconducting eigen-solutions with
d-wave and extended s-waves symmetry. These eigenvalues increase as T is decreased
and n is increased, however, they are always far below unity which means that
one is far from a superconducting transition. The calculated normal-state quantities
are in qualitative agreement with the measured quantities of the cuprates, for
example, the electrical resistivity is nearly a linear function of T like that
of YBa2Cu3O7.@eng
bibo_authorlist:
- autoren_ansetzung:
- Dahm, Thomas
- Dahm
- Thomas Dahm
- Dahm, T
- Dahm, T.
- T Dahm
- T. Dahm
foaf_Person:
foaf_givenName: Thomas
foaf_name: Dahm, Thomas
foaf_surname: Dahm
foaf_workInfoHomepage: http://www.librecat.org/personId=26138683
- autoren_ansetzung:
- TEWORDT, L
- TEWORDT
- L TEWORDT
- TEWORDT, L
- TEWORDT, L.
- L TEWORDT
- L. TEWORDT
foaf_Person:
foaf_givenName: L
foaf_name: TEWORDT, L
foaf_surname: TEWORDT
- autoren_ansetzung:
- WERMBTER, S
- WERMBTER
- S WERMBTER
- WERMBTER, S
- WERMBTER, S.
- S WERMBTER
- S. WERMBTER
foaf_Person:
foaf_givenName: S
foaf_name: WERMBTER, S
foaf_surname: WERMBTER
bibo_doi: 10.1007/BF00754741
bibo_issue: 5-6
bibo_volume: '96'
dct_date: 1994^xs_gYear
dct_identifier:
- UT:A1994PC24000004
dct_isPartOf:
- http://id.crossref.org/issn/0022-2291
- http://id.crossref.org/issn/1573-7357
dct_language: eng
dct_publisher: Springer-Verlag@
dct_title: SELF-CONSISTENT CALCULATION OF PHYSICAL QUANTITIES FOR THE 2-DIMENSIONAL
HUBBARD-MODEL AND COMPARISON WITH CUPRATE HIGH-TC SUPERCONDUCTORS@
...