One-Dimensional Hubbard Models

1997 ◽  
pp. 135-184
Author(s):  
Florian Gebhard
Keyword(s):  
One Dimensional ◽  
Hubbard Models

scholarly journals Integrable extended Hubbard models with boundary Kondo impurities

2001 ◽  
Vol 64 (3) ◽  
pp. 445-467
Author(s):  
Anthony J. Bracken ◽  
Xiang-Yu Ge ◽  
Mark D. Gould ◽  
Huan-Qiang Zhou
Keyword(s):  
Hilbert Space ◽  
Bethe Ansatz ◽  
Inverse Scattering ◽  
Magnetic Moments ◽  
Inverse Scattering Method ◽  
Scattering Method ◽  
Ansatz Method ◽  
One Dimensional ◽  
Hubbard Models ◽  
Kondo Impurities

Three kinds of integrable Kondo impurity additions to one-dimensional q-deformed extended Hubbard models are studied by means of the boundary Z2-graded quantum inverse scattering method. The boundary K matrices depending on the local magnetic moments of the impurities are presented as nontrivial realisations of the reflection equation algebras in an impurity Hilbert space. The models are solved by using the algebraic Bethe ansatz method, and the Bethe ansatz equations are obtained.

scholarly journals One-dimensional pair hopping and attractive Hubbard models: A comparative study

1996 ◽  
Vol 54 (24) ◽  
pp. 17414-17421 ◽  
Author(s):  
Mathias van den Bossche ◽  
Michel Caffarel
Keyword(s):  
Comparative Study ◽  
One Dimensional ◽  
Hubbard Models ◽  
Pair Hopping

scholarly journals Quantum Phase Diagram of One-Dimensional Spin and Hubbard Models with Transitions to Bond Order Wave Phases

2013 ◽  
Vol 86 (4) ◽  
pp. 407-417 ◽  
Author(s):  
Manoranjan Kumar ◽  
S. Ramasesha ◽  
Zoltán G. Soos
Keyword(s):  
Phase Diagram ◽  
Bond Order ◽  
Quantum Phase ◽  
One Dimensional ◽  
Hubbard Models

scholarly journals Integrable Kondo impurities in one-dimensional extended Hubbard models

2000 ◽  
Vol 62 (8) ◽  
pp. 4906-4921 ◽  
Author(s):  
Huan-Qiang Zhou ◽  
Xiang-Yu Ge ◽  
Jon Links ◽  
Mark Gould
Keyword(s):  
One Dimensional ◽  
Hubbard Models ◽  
Kondo Impurities
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