Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 440, Issue -, Pages 129-132Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2016.12.085
Keywords
Superconductivity; Chiral order parameter; Triangular lattice
Funding
- Russian Foundation for Basic Research [16-02-00073]
- Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology [16-42-240435]
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Using the diagram technique for the Hubbard operators an integral equation that determines the order parameter of the superconducting phase Delta(p) was obtained in the framework of t-J-V and t-J*-V models on triangular lattice. It is shown that there are two scenarios of formation of superconducting phase with gapless spectrum at the critical concentration of carriers x(c). The effect of three-center terms on implementation of this phase was also considered.
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