scholarly journals Potential-energy-driven (BCS) to kinetic-energy-driven (BEC) pairing in the two-dimensional attractive Hubbard model: Cellular dynamical mean-field theory

2006 ◽  
Vol 74 (2) ◽  
Author(s):  
B. Kyung ◽  
A. Georges ◽  
A.-M. S. Tremblay
Keyword(s):  
Field Theory ◽  
Kinetic Energy ◽  
Potential Energy ◽  
Hubbard Model ◽  
Mean Field Theory ◽  
Mean Field ◽  
Dynamical Mean Field Theory ◽  
Two Dimensional ◽  
Attractive Hubbard Model

scholarly journals Beyond extended dynamical mean-field theory: Dual boson approach to the two-dimensional extended Hubbard model

2014 ◽  
Vol 90 (23) ◽  
Author(s):  
Erik G. C. P. van Loon ◽  
Alexander I. Lichtenstein ◽  
Mikhail I. Katsnelson ◽  
Olivier Parcollet ◽  
Hartmut Hafermann
Keyword(s):  
Field Theory ◽  
Hubbard Model ◽  
Mean Field Theory ◽  
Mean Field ◽  
Dynamical Mean Field Theory ◽  
Two Dimensional ◽  
Extended Hubbard Model
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