Hubbard model

Known as: Hubbard 
The Hubbard model is an approximate model used, especially in solid state physics, to describe the transition between conducting and insulating… (More)
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2011
2011
We study the ground-state properties of ultracold bosons in an optical lattice in the regime of strong interactions. The system… (More)
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2008
2008
The centrally extended superalgebra psu(2|2) R was shown to play an important role for the integrable structures of the one… (More)
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2006
2006
It was recently observed that the one dimensional Hubbard model reproduces the known part of the perturbative spectrum of planar… (More)
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Highly Cited
2005
Highly Cited
2005
Recently it was established that a certain integrable long-range spin chain describes the dilatation operator of N = 4 gauge… (More)
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Highly Cited
2003
Highly Cited
2003
In 1968 we published the solution of the ground state energy and wave function of the one-dimensional Hubbard model, and we also… (More)
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2000
2000
The superconducting instabilities of the doped repulsive 2D Hubbard model are studied in the intermediate to strong coupling… (More)
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1998
1998
A strong-coupling expansion for models of correlated electrons in any dimension is presented. method is applied to the Hubbard… (More)
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1993
1993
A general class of hopping models on a finite bipartite lattice is considered, including the Hubbard model and the Falicov… (More)
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1993
1993
The first reliable analytic calculation of the phase diagram of the bose gas on a d-dimensional lattice with on-site repulsion is… (More)
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Highly Cited
1993
Highly Cited
1993
The familiar unrestricted Hartree-Fock variational principle is generalized to include quasi-free states. As we show, these are… (More)
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