The dissipation-independent nonlinear Hall conductivity is not universal but decomposes into a geometric contribution recovering the quantum metric and a novel kinetic contribution that depends on the system-bath coupling.
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MgMn6Sn6 is a room-temperature non-collinear kagome ferromagnet with substantial intrinsic anomalous Hall conductivity and enhanced electron correlations indicated by a large Sommerfeld coefficient.
Calculates anomalous Hall conductivity σ_xy in rhombohedral graphene with weak dense Gaussian impurities and strong sparse impurities by summing intrinsic, side-jump, Gaussian and non-Gaussian skew-scattering diagrams in the Kubo-Streda formalism, plus perturbative warping.
First-principles and tight-binding calculations on three FI/TI van der Waals stacks predict a magnetization-induced gap that supports half-quantized anomalous Hall conductance of e²/2h.
A driven-dissipative model of a two-mode superconducting circuit with self- and cross-Kerr nonlinearities demonstrates enhanced TRSB detection via symmetric photon configurations broken by weak symmetry breaking.
citing papers explorer
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Dissipation-Shaped Quantum Geometry in Nonlinear Transport
The dissipation-independent nonlinear Hall conductivity is not universal but decomposes into a geometric contribution recovering the quantum metric and a novel kinetic contribution that depends on the system-bath coupling.
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Anomalous magnetotransport in a non-collinear correlated kagome ferromagnet MgMn6Sn6
MgMn6Sn6 is a room-temperature non-collinear kagome ferromagnet with substantial intrinsic anomalous Hall conductivity and enhanced electron correlations indicated by a large Sommerfeld coefficient.
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Anomalous Hall effect in rhombohedral graphene
Calculates anomalous Hall conductivity σ_xy in rhombohedral graphene with weak dense Gaussian impurities and strong sparse impurities by summing intrinsic, side-jump, Gaussian and non-Gaussian skew-scattering diagrams in the Kubo-Streda formalism, plus perturbative warping.
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Half-quantized anomalous Hall conductance in topological insulator/ferromagnet van der Waals heterostructures
First-principles and tight-binding calculations on three FI/TI van der Waals stacks predict a magnetization-induced gap that supports half-quantized anomalous Hall conductance of e²/2h.
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Probing Time Reversal Symmetry Breaking using a Nonlinear Superconducting Ring Resonator
A driven-dissipative model of a two-mode superconducting circuit with self- and cross-Kerr nonlinearities demonstrates enhanced TRSB detection via symmetric photon configurations broken by weak symmetry breaking.