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Quantum Monte Carlo evidence for d-wave pairing in the two-dimensional Hubbard model at a van Hove singularity

Husslein, T., Morgenstern, Ingo, Newns, D. M, Pattnaik, P. C., Singer, J. M. and Matuttis, H. G. (1996) Quantum Monte Carlo evidence for d-wave pairing in the two-dimensional Hubbard model at a van Hove singularity. Physical Review B (PRB) 54 (22), pp. 16179-16182.

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Abstract

We implement a quantum Monte Carlo calculation for a repulsive Hubbard model with nearest- and next-nearest-neighbor hopping interactions on clusters up to 12×12. A parameter region where the Fermi level lies close to the van Hove singularity at the saddle points in the bulk band structure is investigated. A pairing tendency in the dx2-y2 symmetry channel, but no other channel, is found. ...

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Item type:Article
Date:1 December 1996
Institutions:Physics > Institute of Theroretical Physics > Professor Morgenstern
Identification Number:
ValueType
10.1103/PhysRevB.54.16179DOI
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevB.54.16179Publisher
Classification:
NotationType
74.20.MnPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:16099
Owner only: item control page

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