Effect of interstitial Coulomb interaction on the occurrence of a gapless superconducting phase of Hubbard fermions on a triangular lattice


Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.3103/S1062873816060393

Ключевые слова: Physics, Concentration dependence, Coordination sphere, Hubbard, Nodal points, Quantum transitions, Superconducting order parameters, Superconducting phase, Triangular lattice, Coulomb interactions

Аннотация: The concentration dependence of the position of nodal points of a superconducting order parameter is investigated using the t–J–V model for a triangular lattice with regard to the exchange and Coulomb interactions in two coordination spheres. The conditions for a topological quantum transition are established. © 2016, Allerton PresПоказать полностьюs, Inc.

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Журнал: Bulletin of the Russian Academy of Sciences: Physics

Выпуск журнала: Vol. 80, Is. 6

Номера страниц: 612-615


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