For 3D Dirac fermions at charge neutrality the diffusion constant is purely quantum geometric in origin because the band velocity contribution cancels exactly, unlike in 2D.
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Decomposes intrinsic NLHE into Berry curvature dipole plus interband and intraband quantum metric dipoles, showing large intraQMD in gapped Dirac cones of antiferromagnets and listing candidate materials.
Persistent spin textures isolate spin-rotation quantum geometry in nonlinear magnetotransport, yielding direction-independent responses as a distinctive signature even with symmetry-breaking terms.
citing papers explorer
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Quantum geometric contribution to the diffusion constant
For 3D Dirac fermions at charge neutrality the diffusion constant is purely quantum geometric in origin because the band velocity contribution cancels exactly, unlike in 2D.
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Quantum Geometric Origin of the Intrinsic Nonlinear Hall Effect
Decomposes intrinsic NLHE into Berry curvature dipole plus interband and intraband quantum metric dipoles, showing large intraQMD in gapped Dirac cones of antiferromagnets and listing candidate materials.
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Probing persistent spin textures through nonlinear magnetotransport
Persistent spin textures isolate spin-rotation quantum geometry in nonlinear magnetotransport, yielding direction-independent responses as a distinctive signature even with symmetry-breaking terms.