The Green's function method is applied to the calculation of the low energy spectrum in layered cuprates using Hubbard projection operators. Hund's and Kondo-like exchange, copper-oxygen and oxygen-oxygen hopping are taken into account. An analytical expression for the impurity band has been obtained. This expression is analyzed in connection with considerations of Zhang and Rice, Matsukawa and Fukuyama and others that serve as the basis of the so-called t-J model. © 1993
The physics of cuprates is strongly influenced by the dimension of the cooper-oxygen network in the ...
All kinds of parameters U(d), U(p), U(dp), E(d), E(p), t(dp), t(pp) and t(dd) in the extended Hubbar...
The physics of cuprates is strongly influenced by the dimension of the cooper-oxygen network in the ...
The Green's function method is applied to the calculation of the low energy spectrum in layered cupr...
The Green's function method is applied to the calculation of the low energy spectrum in layered cupr...
The Green's function method is applied to the calculation of the low energy spectrum in layered cupr...
Using the strong coupling diagram technique, the energy spectrum of the three-band Hubbard...
A cell-perturbation method is developed for CuO2 planes in the cuprate superconductors described by ...
A cell-perturbation method is developed for CuO2 planes in the cuprate superconductors described by ...
A cell-perturbation method is developed for CuO2 planes in the cuprate superconductors described by ...
The one-band and three-band Hubbard models which describe the electronic structure of cuprates indic...
The energy band of oxide superconductors is theoretically investigated when charge and spin fluctuat...
We calculate the binding energy of a hole pair within the extended Anderson Hamiltonian for the high...
We calculate the binding energy of a hole pair within the extended Anderson Hamiltonian for the high...
Hubbard U is equal to the energy of the insulator to metal transition in Mott insulators. Hubbard U ...
The physics of cuprates is strongly influenced by the dimension of the cooper-oxygen network in the ...
All kinds of parameters U(d), U(p), U(dp), E(d), E(p), t(dp), t(pp) and t(dd) in the extended Hubbar...
The physics of cuprates is strongly influenced by the dimension of the cooper-oxygen network in the ...
The Green's function method is applied to the calculation of the low energy spectrum in layered cupr...
The Green's function method is applied to the calculation of the low energy spectrum in layered cupr...
The Green's function method is applied to the calculation of the low energy spectrum in layered cupr...
Using the strong coupling diagram technique, the energy spectrum of the three-band Hubbard...
A cell-perturbation method is developed for CuO2 planes in the cuprate superconductors described by ...
A cell-perturbation method is developed for CuO2 planes in the cuprate superconductors described by ...
A cell-perturbation method is developed for CuO2 planes in the cuprate superconductors described by ...
The one-band and three-band Hubbard models which describe the electronic structure of cuprates indic...
The energy band of oxide superconductors is theoretically investigated when charge and spin fluctuat...
We calculate the binding energy of a hole pair within the extended Anderson Hamiltonian for the high...
We calculate the binding energy of a hole pair within the extended Anderson Hamiltonian for the high...
Hubbard U is equal to the energy of the insulator to metal transition in Mott insulators. Hubbard U ...
The physics of cuprates is strongly influenced by the dimension of the cooper-oxygen network in the ...
All kinds of parameters U(d), U(p), U(dp), E(d), E(p), t(dp), t(pp) and t(dd) in the extended Hubbar...
The physics of cuprates is strongly influenced by the dimension of the cooper-oxygen network in the ...