Nonperturbative nonequilibrium Green's function framework computes nonlinear Hall response in strong dc fields for a two-band semimetal, showing DMFT interactions substantially alter the signal beyond perturbative regimes.
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The work identifies a quantum-geometric shift of quasiequilibrium, arising from finite wave-packet spread during relaxation, as the origin of nonreciprocal current driven by the quantum-metric dipole.
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Nonperturbative Nonlinear Hall Effect in Nonequilibrium Steady States
Nonperturbative nonequilibrium Green's function framework computes nonlinear Hall response in strong dc fields for a two-band semimetal, showing DMFT interactions substantially alter the signal beyond perturbative regimes.
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Quantum-geometric shift of quasiequilibrium: Origin of nonreciprocal current driven by quantum-metric dipole
The work identifies a quantum-geometric shift of quasiequilibrium, arising from finite wave-packet spread during relaxation, as the origin of nonreciprocal current driven by the quantum-metric dipole.