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cond-mat2002★ 39 cited
Quantum Monte Carlo study of the 3D attractive Hubbard model
A. Sewer, X. Zotos, H. Beck
We study the three-dimensional (3D) attractive Hubbard model by means of the Determinant Quantum Monte Carlo method. This model is a prototype for the description of the smooth cro…
cond-mat1997★ 47 cited
One-Electron Spectral Functions of the Attractive Hubbard Model for Intermediate Coupling
Maxim Yu. Kagan, Raymond Frésard, Massimiliano Capezzali +1
We calculate the one-electron spectral function of the attractive (negative-) Hubbard model. We work in the intermediate coupling and low density regime and obtain the self-ener…