Spiral magnetic structure in Heisenberg and non-Heisenberg magnets

Fridman, Yu. A.; Matyunin, D. A.; Klevets, Ph.N.; Gorelikov, G. A.

doi:10.1134/s1063783410060132

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2011

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“…21 shows that the magnetoelastic interaction narrows the region where a spiral magnetic structure can exist with respect to the biquadratic exchange interaction constant for zero magnetic field by an amount a 0 . For H ¼ 0 and with the bilinear exchange interaction dominant over the biquadratic interaction ðJ > KÞ, it is also possible to have a ferromagnetic phase with a quasimagnon spectrum…”

Section: The Qu 2 -Phasementioning

confidence: 97%

Effect of magnetoelastic interactions on the formation of spiral magnetic structures in frustrated non-Heisenberg magnets

Fridman

Gorelikov

2011

Low Temperature Physics

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The spectra of coupled magnetoelastic waves in highly anisotropic non-Heisenberg frustrated magnets with S = 1 are obtained in the mean field approximation. An analysis of the elementary excitation spectra shows that, besides uniform phases (ferromagnetic and quadrupole), spatially-modulated magnetic structures such as magnetic spirals can develop in these systems. The points at which phase transitions into the spiral phase occur are determined. It is shown that magnetoelastic interactions cause significant changes in the size of the region where spiral structures exist.

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Section: The Qu 2 -Phasementioning

confidence: 97%