Magnetic-field induced triplet superconductivity in the Hubbard model on a triangular lattice

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We propose theoretically that a magnetic field can realize spin-triplet superconductivity in repulsively interacting electron systems having strong ferromagnetic spin fluctuations. We confirm the general idea for the low-density Hubbard model on a triangular lattice, whose Fermi surface consists of disconnected pieces, by calculating the pairing susceptibility in a moderate magnetic field with the quantum Monte-Carlo method combined with the dynamical cluster approximation.
4 pages, 7 figures

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Strongly Correlated Electrons, Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/19471

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0206358
 http://arxiv.org/abs/cond-mat/0206358

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arXiv