LR-TDDFT analysis of the self-enhancement function classifies coherent versus incoherent magnons in Fe, Ni, and Co, revealing branch coexistence in bcc-Fe and decoherence near the Brillouin zone boundary in fcc-Ni while defining the many-body Stoner spectrum.
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Classifying magnons in itinerant ferromagnets from linear response TDDFT: Fe, Ni and Co revisited
LR-TDDFT analysis of the self-enhancement function classifies coherent versus incoherent magnons in Fe, Ni, and Co, revealing branch coexistence in bcc-Fe and decoherence near the Brillouin zone boundary in fcc-Ni while defining the many-body Stoner spectrum.