Publication
Physica B: Physics of Condensed Matter
Paper

Quantum Monte Carlo simulations for high-Tc models

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Abstract

Numerical simulations were carried out using a projector quantum Monte Carlo method pioneered by Sorella et al. Ground state energies are presented for the single band Hubbard model for system sizes 4 x 4 to 8 x 8. The Hubbard model coupled to a two-level system (e.g. bridging oxygen) was also studied. Enhancement of superconducting susceptibilities indicates the possibility of high-Tc superconductivity. © 1990.

Date

01 Jan 1990

Publication

Physica B: Physics of Condensed Matter

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