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Controlling ligand-mediated exchange interactions in periodically driven magnetic materials

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arxiv 2009.00813 v1 pith:USM6QNEA submitted 2020-09-02 cond-mat.str-el

Swati Chaudhary , Alon Ron , David Hsieh , Gil Refael This is my paper · ORCID
classification cond-mat.str-el
keywords exchangeinteractionsmagneticmaterialsliganddrivedriveneffective
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A periodic drive could alter the effective exchange interactions in magnetic materials. Here, we explore how exchange pathways affect the effective interactions of periodically driven magnetic materials. Aiming to apply Floquet engineering methods to two-dimensional magnetic materials, we consider realistic models and discuss the effect of a periodic drive on ligand-mediated exchange interactions. We show that depending on bond angles and the number of ligand ions involved in the exchange process, drive-induced changes can be very different from those calculated from direct-hopping models considered earlier. We study these effects and find that the presence of ligand ions must be taken into account, especially for TMTCs where ligand ion mediated next-neighbor interactions play a crucial role in determining the magnetic ground state of the system.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Exciting terahertz magnons with amplitude modulated light: spin pumping, squeezed states, symmetry breaking and pattern formation

    cond-mat.mes-hall 2025-07 conditional novelty 6.0 of 10

    Amplitude-modulated optical light can parametrically excite THz antiferromagnetic magnons, generating spin currents, squeezed magnon pairs, and ordered spin patterns.

  2. Analytical control of the exchange interaction in periodically driven Mott insulators

    cond-mat.str-el 2025-01 conditional novelty 5.0 of 10

    In periodically driven Mott insulators, exchange sign reversals occur at zeros of a product of Bessel functions, with a purely trigonometric special case at half-resonance.

  3. 2D van der Waals magnets: from fundamental physics to applications

    cond-mat.mtrl-sci 2025-05 conditional novelty 1.0 of 10

    A review of 2D van der Waals magnets that surveys materials, spin Hamiltonians, optical experiments, ultrafast dynamics, and spintronic devices, but contains internal inconsistencies.

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