Impact of further-range exchange and cubic anisotropy on magnetic excitations in the fcc kagome antiferromagnet Ir Mn3

This work investigates the effects of further neighbor exchange and cubic anisotropy on the magnetic excitations of the fcc kagome antiferromagnet Ir Mn 3 . Spin wave frequencies are calculated using the torque equation and the dynamical structure factor S ( Q , ω ) is determined by a Green's f...

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Veröffentlicht in:	Physical review. B 2021-07, Vol.104 (1), p.1
Hauptverfasser:	LeBlanc, M D, Aczel, A Aczel, Granroth, G E, Southern, B W, Yan, J-Q, Nagler, S E, Whitehead, J P, Plumer, M L
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Antiferromagnetism Density functional theory Exchanging Excitation Green's functions Inelastic scattering Lattice sites Magnetism Magnons Neutron scattering Neutrons Structure factor
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