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cond-mat1996
Weak-coupling calculation of the gap structure of doped n-leg Hubbard ladders
N. Bulut, D. J. Scalapino
In weak coupling, the spin gap in doped, even, n-leg periodic Hubbard ladders reflects the energy to break a pair into separate quasiparticles. Here we investigate the structure of…
cond-mat1996
Pairing Mechanism in Two Hubbard Models that Show d_{x^2-y^2} Pairing
D. J. Scalapino
Here we examine various aspects of the pairing mechanism for two models, the two-dimensional and two-leg ladder Hubbard models. Both of these models exhibit pairing correlations wi…
cond-mat1996
Pairing Mechanism in the Two-Dimensional Hubbard Model
D. J. Scalapino
Here we discuss Quantum Monte Carlo results for the magnetic susceptibility, single-particle spectral weight and the irreducible particle-particle interaction vertex of the two-dim…