Charge fluctuations and electron–phonon interaction in the finite- Hubbard model

2005 ◽  
Vol 359-361 ◽  
pp. 810-812
Author(s):  
E. Cappelluti ◽  
B. Cerruti ◽  
L. Pietronero
Keyword(s):  
Hubbard Model ◽  
Phonon Interaction ◽  
Charge Fluctuations ◽  
Electron Phonon Interaction

Correlation-renormalized electron-phonon interaction in the two-dimensional Hubbard model

1999 ◽  
Vol 60 (14) ◽  
pp. 10442-10446 ◽  
Author(s):  
M. Mierzejewski ◽  
J. Zieliński ◽  
P. Entel
Keyword(s):  
Hubbard Model ◽  
Two Dimensional ◽  
Phonon Interaction ◽  
Electron Phonon Interaction

Renormalization of the electron–phonon interaction in the Hubbard model

2005 ◽  
Vol 359-361 ◽  
pp. 696-698
Author(s):  
R. Citro ◽  
S. Cojocaru ◽  
M. Marinaro
Keyword(s):  
Hubbard Model ◽  
Phonon Interaction ◽  
Electron Phonon Interaction

Electron–phonon interaction in the strongly correlated Hubbard model

2007 ◽  
Vol 460-462 ◽  
pp. 1117-1118
Author(s):  
Z.B. Huang ◽  
Y. Gao ◽  
W. Hanke ◽  
E. Arrigoni
Keyword(s):  
Hubbard Model ◽  
Strongly Correlated ◽  
Phonon Interaction ◽  
Electron Phonon Interaction

FLOW EQUATIONS FOR HAMILTONIANS

2001 ◽  
Vol 16 (11) ◽  
pp. 1941-1950 ◽  
Author(s):  
FRANZ J. WEGNER
Keyword(s):  
Hubbard Model ◽  
Unitary Transformation ◽  
Electron Interaction ◽  
Phonon Interaction ◽  
Flow Equations ◽  
Electron Phonon Interaction

A method to diagonalize or block-diagonalize Hamiltonians by means of an appropriate continuous unitary transformation is reviewed. We will outline (i) the procedure for the elimination of the electron-phonon interaction and the construction of the effective attractive electron-electron interaction, and (ii) the application to some systems with electron-electron interaction (n-orbital model and Hubbard model).

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