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Incommensurate antiferromagnetism within a slave-boson approach to a two-dimensional Hubbard Hamiltonian

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/0921-4534(91)90972-2
Disciplines
  • Physics

Abstract

Abstract We calculate the properties of spiral spin phases at the mean-field level for a single-band Hubbard Hamiltonian with variable hole density, via the Kotliar-Ruckenstein slave-boson approach adapted to a regular twist of the spin quantization axes in a two-dimensional square lattice. Antiferromagnetic and spiral phases are found to coexist in equilibrium over a finite range of hole density.

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