Coexistence of the chiral superconductivity and noncollinear magnetic order in the ensemble of Hubbard fermions on a triangular lattice

For the system of strongly correlated electrons on a triangular lattice, the possibility of coexisting superconductivity with the chiral order parameter and the 120°-type noncollinear spin ordering is demonstrated. The integral self-consistency equation for the superconducting order parameter is der...

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Veröffentlicht in:	JETP letters 2016-10, Vol.104 (7), p.483-488
Hauptverfasser:	Val’kov, V. V., Zlotnikov, A. O.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic Biological and Medical Physics Biophysics Condensed Matter Electrons Fermions Molecular Operators (mathematics) Optical and Plasma Physics Order parameters Particle and Nuclear Physics Physics Physics and Astronomy Quantum Information Technology Solid State Physics Spin structure Spintronics Superconductivity
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description	For the system of strongly correlated electrons on a triangular lattice, the possibility of coexisting superconductivity with the chiral order parameter and the 120°-type noncollinear spin ordering is demonstrated. The integral self-consistency equation for the superconducting order parameter is derived using the diagram technique for Hubbard operators taking into account the spin structure, exchange interaction within two coordination spheres, and intersite Coulomb repulsion.
doi_str_mv	10.1134/S0021364016190127
format	Article
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subjects	Atomic Biological and Medical Physics Biophysics Condensed Matter Electrons Fermions Molecular Operators (mathematics) Optical and Plasma Physics Order parameters Particle and Nuclear Physics Physics Physics and Astronomy Quantum Information Technology Solid State Physics Spin structure Spintronics Superconductivity
title	Coexistence of the chiral superconductivity and noncollinear magnetic order in the ensemble of Hubbard fermions on a triangular lattice
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