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Magnetism in AV3Sb5 (A = Cs, Rb, K): Complex Landscape of the Dynamical Magnetic Textures

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arxiv 2311.04099 v1 pith:NBWJUPFQ submitted 2023-11-07 cond-mat.mtrl-sci cond-mat.str-el

Debjani Karmakar , Manuel Pereiro , Md. Nur Hasan , Ritadip Bharati , Johan Hellsvik , Anna Delin , Samir Kumar Pal , Anders Bergman
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Shivalika Sharma Igor Di Marco Patrik Thunstrom Peter M. Oppeneer Olle Eriksson
This is my paper · ORCID
classification cond-mat.mtrl-scicond-mat.str-el
keywords magneticalongcomplexdirectiondynamicallandscapeparameterstextures
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We have investigated the dynamical magnetic properties of the V-based kagome stibnite compounds by combining the ab-initio calculated magnetic parameters of a spin Hamiltonian like inter-site exchange parameters, magnetocrystalline anisotropy and site projected magnetic moments, with full-fledged simulations of atomistic spin-dynamics. Our calculations reveal that in addition to a ferromagnetic order along the [001] direction, the system hosts a complex landscape of magnetic configurations comprised of commensurate and incommensurate spin-spirals along the [010] direction. The presence of such chiral magnetic textures may be the key to solve the mystery about the origin of the experimentally observed inherent breaking of the C6 rotational symmetry- and the time-reversal symmetry.

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