activity
19952000
most citedPerturbation expansion for 2-D Hubbard model

13 citations · 13 across the 1 of their papers we have counts for

collaborators

10 papers

cond-mat.str-el2000★ 13 cited

Perturbation expansion for 2-D Hubbard model

V. Zlatic, B. Horvatic, B. Dolicki +3

We develop an efficient method to calculate the third-order corrections to the self-energy of the hole-doped two-dimensional Hubbard model in space-time representation. Using the D…

cond-mat.str-el1997

Effects of Electronic Correlations on the Thermoelectric Power of the Cuprates

G. Hildebrand, T. J. Hagenaars, W. Hanke +2

We show that important anomalous features of the normal-state thermoelectric power S of high-Tc materials can be understood as being caused by doping dependent short-range antiferr…

cond-mat.supr-con1996

High-T_c Superconductivity and Shadow State Formation in YBa_{2}Cu_{3}O_{6+δ} and Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}

S. Grabowski, J. Schmalian, K. H. Bennemann

The normal and superconducting state of YBa_{2}Cu_{3}O_{6+δ} and Bi_{2}Sr_{2}CaCu_{2}O_{8+δ} are investigated by using the mono- and bilayer Hubbard model within the fluctuation ex…

cond-mat1996

Theory for Dynamical Short Range Order and Fermi Surface Volume in Strongly Correlated Systems

J. Schmalian, M. Langer, S. Grabowski +1

Using the fluctuation exchange approximation of the one band Hubbard model, we discuss the origin of the changing Fermi surface volume in underdoped cuprate systems due to the tran…

cond-mat1996

Electronic Theory for Bilayer-Effects in High-T_c Superconductors

S. Grabowski, J. Schmalian, M. Langer +1

The normal and the superconducting state of two coupled CuO_2 layers in the High-T_c superconductors are investigated by using the bilayer Hubbard model, the FLEX approximation on…

cond-mat1995

Theory for the Doping Dependence of Spin Fluctuation Induced Shadow States in High-T Superconductors

M. Langer, J. Schmalian, S. Grabowski +1

We analyze the doping dependence of the intensity and energetical position of shadow states in high -T superconductors within the 2D Hubbard model and using our recently deve…