In d-wave altermagnets the leading intrinsic anomalous thermal Hall effect appears at third order in temperature gradient and is governed by a nonlinear thermal Berry-connection polarizability that encodes the quantum metric.
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The Motif Symmetry-Breaking Index turns binary altermagnet symmetry classification into a continuous, DFT-free design variable, enabling machine-learning discovery of candidates with spin-splitting energies up to 1.3 eV.
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Intrinsic anomalous thermal hall effect as a signature of quantum metric in d-wave altermagnets
In d-wave altermagnets the leading intrinsic anomalous thermal Hall effect appears at third order in temperature gradient and is governed by a nonlinear thermal Berry-connection polarizability that encodes the quantum metric.
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Continuous PT-Symmetry Breaking as a Design Variable for Giant Altermagnetic Spin Splitting
The Motif Symmetry-Breaking Index turns binary altermagnet symmetry classification into a continuous, DFT-free design variable, enabling machine-learning discovery of candidates with spin-splitting energies up to 1.3 eV.