Superconductivity in the two-dimensional Hubbard model
نویسندگان
چکیده
منابع مشابه
Superconductivity in the two-dimensional Hubbard model.
A refined variational wave function for the two-dimensional repulsive Hubbard model is studied numerically , with the aim of approaching the difficult crossover regime of intermediate values of U. The issue of a superconducting ground state with d-wave symmetry is investigated for an average electron density n ≈ 0.8 and for U = 8t. Due to finite-size effects a clear-cut answer to this fundament...
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Recently developed numerical methods have enabled the explicit construction of the superconducting state of the Hubbard model of strongly correlated electrons in parameter regimes where the model also exhibits a pseudogap and a Mott insulating phase. d(x(2)-y(2)) symmetry superconductivity is found to occur in proximity to the Mott insulator, but separated from it by a pseudogapped nonsupercond...
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We review magnetic and superconducting instabilities in the t-t Hubbard model on the two-dimensional square lattice as obtained with functional one-loop renormalization group techniques. Special emphasis is put on ferromagnetic and triplet superconducting tendencies that could be relevant to the triplet superconductor Sr2RuO4. The layered perovskite oxide Sr2RuO4 may become the first well-estab...
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K.-S. Chen,1,* Z. Y. Meng,1,2,† S.-X. Yang,1,2 T. Pruschke,3 J. Moreno,1,2 and M. Jarrell1,2 1Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA 2Center for Computation and Technology, Louisiana State University, Baton Rouge, Louisiana 70808, USA 3Department of Physics, University of Göttingen, D-37077 Göttingen, Germany (Received 6 October 2013; ...
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M. Capone1 and G. Kotliar2 1INFM-SMC and Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, Via dei Taurini 19, I-00185, Rome, Italy and Physics Department, University of Rome “La Sapienza,” Piazzale A. Moro 5, I-00185, Rome, Italy 2Physics Department and Center for Materials Theory, Rutgers University, Piscataway, New Jersey 08854, USA Received 9 March 2006; published 30 Augus...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 1995
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.52.13636