On the Electrical Conductivity and the Density of States for the Narrow-Band Periodic Anderson Model in the Symmetric Case

1981 ◽  
Vol 106 (1) ◽  
pp. 73-77 ◽  
Author(s):  
M. Matlak ◽  
J. Zieliński
Keyword(s):  
Electrical Conductivity ◽  
Density Of States ◽  
Anderson Model ◽  
Narrow Band ◽  
Symmetric Case ◽  
Periodic Anderson Model

INVESTIGATION OF THE DENSITY OF STATES IN THE NON-HALF-FILLED TWO BAND PERIODIC ANDERSON MODEL

2006 ◽  
Vol 20 (21) ◽  
pp. 3101-3112
Author(s):  
IGOR KOGOUTIOUK ◽  
HANNA TERLETSKA
Keyword(s):  
Spectral Density ◽  
Density Of States ◽  
Anderson Model ◽  
Applied Pressure ◽  
Band Width ◽  
Green Functions ◽  
Periodic Anderson Model ◽  
Consistent Calculation ◽  
Exchange Effects ◽  
Self Consistent

We study density of states in the symmetrical and asymmetrical two-band periodic Anderson models at various band fillings with self-consistent calculation of the orbital occupancies. The application of the improved truncation approximation for irreducible Green functions that takes into account resonance broadening and band shifting inter-orbital exchange effects, resulted in the appearance of four spectral density moments and four- or five-subbands in the density of states depending upon the parameters of the model. It is shown that closing of the hybridization gap can occur as the result of doping, applied pressure, or change of the f-band width.

Superconducting instability in the periodic Anderson model

1998 ◽  
Vol 78 (4) ◽  
pp. 365-374 ◽  
Author(s):  
A. N.Tahvildar-Zadeh, M. H. Hettler, M
Keyword(s):  
Anderson Model ◽  
Periodic Anderson Model

Density of states for the two-dimensional, simple-square Anderson model

1981 ◽  
Vol 24 (10) ◽  
pp. 6156-6157 ◽  
Author(s):  
Wei-Min Hu ◽  
Shang-Yuan Ren ◽  
John D. Dow
Keyword(s):  
Density Of States ◽  
Anderson Model ◽  
Two Dimensional

scholarly journals Low-energy scale of the periodic Anderson model

2000 ◽  
Vol 61 (19) ◽  
pp. 12799-12809 ◽  
Author(s):  
Th. Pruschke ◽  
R. Bulla ◽  
M. Jarrell
Keyword(s):  
Anderson Model ◽  
Energy Scale ◽  
Low Energy ◽  
Periodic Anderson Model
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