Electric fields induce flat one-magnon bands in the distorted sawtooth chain when DM couplings follow the KNB magnetoelectric form, with explicit field strengths derived for bond-aligned fields.
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Derives algebraic constraints ensuring flat bands in the one-magnon spectrum of a J1-J2-J3 XXZ sawtooth chain with Dzyaloshinskii-Moriya interactions and maps them to Katsura-Nagaosa-Balatsky parameters for electric-field tuning.
citing papers explorer
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Electric-field driven flat bands in the distorted sawtooth chain via the Katsura-Nagaosa-Balatsky mechanism
Electric fields induce flat one-magnon bands in the distorted sawtooth chain when DM couplings follow the KNB magnetoelectric form, with explicit field strengths derived for bond-aligned fields.
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On flat bands in the $J_1$-$J_2$-$J_3$ XXZ sawtooth chain
Derives algebraic constraints ensuring flat bands in the one-magnon spectrum of a J1-J2-J3 XXZ sawtooth chain with Dzyaloshinskii-Moriya interactions and maps them to Katsura-Nagaosa-Balatsky parameters for electric-field tuning.