scholarly journals Characteristics of Dressed Particles in the 1D Correlated Electron Systems

2013 ◽  
Vol 101 (0) ◽  
pp. 429-440
Author(s):  
N. Kawakami ◽  
A. Okiji
Keyword(s):  
Electron Systems ◽  
Correlated Electron Systems ◽  
Correlated Electron ◽  
Dressed Particles

EXACTNESS OF FERMIONIC LINEARIZATION SCHEME WITH CLIFFORD VARIABLES IN d=∞

1995 ◽  
Vol 09 (16) ◽  
pp. 971-975 ◽  
Author(s):  
ARIANNA MONTORSI
Keyword(s):  
Exact Solution ◽  
Single Site ◽  
Strongly Correlated Electron Systems ◽  
Strongly Correlated ◽  
Electron Systems ◽  
Strongly Correlated Electron ◽  
Correlated Electron Systems ◽  
Correlated Electron

We show that the fermionic linearization scheme for dealing with strongly correlated electron systems — when implemented with Clifford variables — becomes exact in the d=∞ limit, at least for Hubbard-like models. In this case, the model is mapped exactly into a single-site problem. The conditions under which such a feature allows to obtain an exact solution are also discussed.

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