extended hubbard model
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scholarly journals Dual boson diagrammatic Monte Carlo approach applied to the extended Hubbard model

2020 ◽  
Vol 102 (19) ◽  
Author(s):  
M. Vandelli ◽  
V. Harkov ◽  
E. A. Stepanov ◽  
J. Gukelberger ◽  
E. Kozik ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Hubbard Model ◽  
Extended Hubbard Model ◽  
Monte Carlo Approach

scholarly journals One-Dimensional Alternating Extended Hubbard Model at Quarter-Filling and Its Applications to Structural Instabilities of Organic Conductors

Crystals ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 942
Author(s):  
M. Ménard ◽  
C. Bourbonnais
Keyword(s):  
Hubbard Model ◽  
Degrees Of Freedom ◽  
Organic Conductors ◽  
Group Method ◽  
Extended Hubbard Model ◽  
Bechgaard Salts ◽  
One Dimensional ◽  
Ordered Alloys ◽  
The One ◽  
Structural Instabilities

The one-dimensional extended Hubbard model with lattice dimerization and alternated site potentials is analyzed using the renormalization group method. The coupling of electrons to structural degrees of freedom such as the anion lattice and acoustic phonons is investigated to obtain the possible instabilities against the formation of lattice superstructures. Applications of the theory to anionic and spin-Peierls instabilities in the Fabre and Bechgaard salts series of organic conductors and ordered alloys are presented and discussed.

scholarly journals η -pairing states as true scars in an extended Hubbard model

2020 ◽  
Vol 102 (7) ◽  
Author(s):  
Daniel K. Mark ◽  
Olexei I. Motrunich
Keyword(s):  
Hubbard Model ◽  
Extended Hubbard Model
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