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- W2111498982 endingPage "446002" @default.
- W2111498982 startingPage "446002" @default.
- W2111498982 abstract "The ground-state magnetic phase diagram is investigated within the single-band Hubbard model for square and different cubic lattices. The results of employing the generalized non-correlated mean-field (Hartree-Fock) approximation and generalized slave-boson approach by Kotliar and Ruckenstein with correlation effects included are compared. We take into account commensurate ferromagnetic, antiferromagnetic, and incommensurate (spiral) magnetic phases, as well as phase separation into magnetic phases of different types, which was often lacking in previous investigations. It is found that the spiral states and especially ferromagnetism are generally strongly suppressed up to non-realistically large Hubbard U by the correlation effects if nesting is absent and van Hove singularities are well away from the paramagnetic phase Fermi level. The magnetic phase separation plays an important role in the formation of magnetic states, the corresponding phase regions being especially wide in the vicinity of half-filling. The details of non-collinear and collinear magnetic ordering for different cubic lattices are discussed." @default.
- W2111498982 created "2016-06-24" @default.
- W2111498982 creator A5003103354 @default.
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- W2111498982 creator A5029910949 @default.
- W2111498982 creator A5032714323 @default.
- W2111498982 creator A5077659501 @default.
- W2111498982 date "2015-10-14" @default.
- W2111498982 modified "2023-10-18" @default.
- W2111498982 title "Spiral magnetism in the single-band Hubbard model: the Hartree–Fock and slave-boson approaches" @default.
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- W2111498982 doi "https://doi.org/10.1088/0953-8984/27/44/446002" @default.
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- W2111498982 hasPublicationYear "2015" @default.
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