DOUBLE-LAYER HUBBARD-MODEL - OFF-DIAGONAL LONG-RANGE ORDER IN THE NODELESS D-WAVE CHANNEL

MORGENSTERN, I and HUSSLEIN, T and SINGER, JM and MATUTTIS, HG (1993) DOUBLE-LAYER HUBBARD-MODEL - OFF-DIAGONAL LONG-RANGE ORDER IN THE NODELESS D-WAVE CHANNEL. JOURNAL DE PHYSIQUE I, 3 (4). pp. 1043-1051. ISSN 1155-4304,

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Abstract

We report on a numerical study of the double layer Hubbard model describing the CuO2 sheets in the high-T(c) oxides. For the simulation we employed the projector quantum Monte Carlo method (PQMC) to study the ground state properties of this correlated electron system. Our results provide evidence for off-diagonal long range order in the nodeless d-wave channel. The implications with respect to possible mechanisms for high-T(c) superconductivity in oxides in combination which phononic booster mechanisms are discussed.

Item Type: Article
Uncontrolled Keywords: STRATONOVICH TRANSFORMATION; MONTE-CARLO; HIGH-TC; SUPERCONDUCTIVITY; SIMULATION; SYSTEMS;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:42
URI: https://pred.uni-regensburg.de/id/eprint/54029

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