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A simple case of d(x2-y2) pairing: Hubbard ladder

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Author(s): Bulut N.

Journal: EPJ Web of Conferences
ISSN 2100-014X

Volume: 23;
Start page: 00006;
Date: 2012;
Original page

ABSTRACT
We study the strength and the temperature scale of the d(x2-y2) pairing correlations in the Hubbard model on a ladder lattice using Quantum Monte Carlo (QMC) simulations. In particular, we present QMC results on the particle-particle interaction and the solution of the Bethe-Salpeter equation for the d(x2-y2)-wave BCS channel. These data show that there are strong d(x2-y2) pairing correlations in the Hubbard ladder for certain values of the model parameters.

Tango Jona
Tangokurs Rapperswil-Jona

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