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    Antiferron modes in ferroelectric materials

    David Galvez-Poblete1,2,*, Mario A. Castro3, Roberto E. Troncoso4, Guillermo Romero1,2, Alvaro S. Nunez3, and Sebastian Allende1,2

    • 1Departamento de Física, Universidad de Santiago de Chile, Avenída Victor Jara 3493, 9170124, Santiago, Chile
    • 2Centro de Nanociencia y Nanotecnología CEDENNA, Avenida Ecuador 3493, Santiago, Chile
    • 3Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile
    • 4Departamento de Física, Facultad de Ciencias, Universidad de Tarapacá, Casilla 7-D, Arica, Chile

    • *Contact author: david.galvez.p@usach.cl

    Phys. Rev. B 112, 224115 – Published 31 December, 2025

    DOI: https://doi.org/10.1103/tpqk-h13b

    Abstract

    We introduce the concept of antiferron modes in ferroelectric materials as dynamically stabilized collective excitations over inverted polarization states that decrease the system energy. While ferrons represent quantized oscillations around the stable polarization minimum, antiferrons require dynamic stabilization via high-frequency driving. Using a generalized Landau-Ginzburg-Devonshire framework, we derive the effective curvature corrections from external driving, demonstrate the conditions for stabilizing metastable wells, and present the quantized Hamiltonian. Antiferrons could be a promising candidate for developing electrical sensing devices, offering tunable, dynamically controllable excitations with high sensitivity to external electric fields.

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