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Anomalous thermoelectric and thermal Hall effects in irradiated altermagnets

2 Pith papers cite this work. Polarity classification is still indexing.

2 Pith papers citing it
abstract

We show that a $d$-wave altermagnet can be transformed into a Chern insulator by irradiating it with elliptically polarized light from a high-frequency photon beam. We further explore the intrinsic anomalous thermoelectric and thermal Hall effects in light-irradiated altermagnets. At low temperatures, the thermoelectric Hall coefficient exhibits a linear temperature dependence but vanishes within the energy gap between the conduction and valence bands near the $M$ point. However, it displays pronounced peaks and dips at the gap boundaries near both the $M$ and $\Gamma$ points, suggesting that thermoelectric Hall conductivity is a sensitive probe for these gapped regions. Similarly, the low-temperature thermal Hall coefficient, which also shows a linear temperature dependence, becomes quantized across the bandwidth, reflecting the underlying topological character of the light-induced Chern insulating phase. These results establish thermoelectric and thermal Hall transports as powerful signatures of topology in driven altermagnetic systems.

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2026 2

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UNVERDICTED 2

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representative citing papers

Layer Hall effect induced by altermagnetism

cond-mat.mes-hall · 2026-01-07 · unverdicted · novelty 7.0

D-wave altermagnets on Bi2Se3 surfaces induce a layer Hall effect with zero net Hall conductance for antiparallel Néel vectors and a quantized Chern state for parallel vectors.

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Showing 2 of 2 citing papers.

  • Layer Hall effect induced by altermagnetism cond-mat.mes-hall · 2026-01-07 · unverdicted · none · ref 95 · internal anchor

    D-wave altermagnets on Bi2Se3 surfaces induce a layer Hall effect with zero net Hall conductance for antiparallel Néel vectors and a quantized Chern state for parallel vectors.

  • From spin splitting to projected mass in altermagnetic Chern matter cond-mat.mtrl-sci · 2026-05-14 · unverdicted · none · ref 57 · 2 links · internal anchor

    Formulates a projected-mass criterion and (C, A) diagnostic for compensated magnetic topology in altermagnetic Chern insulators.