First direct measurement of non-Abelian quantum geometric tensor, Euler curvature, and quaternion charges in a multi-gap photonic lattice via orbital-resolved polarimetry.
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Weakly inhomogeneous electric fields add a distinct quantum-metric contribution to Bloch oscillations, yielding oscillatory transport with an intrinsic part and a scattering-time-dependent part that can saturate at high fields.
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Measuring non-Abelian quantum geometry and topology in a multi-gap photonic lattice
First direct measurement of non-Abelian quantum geometric tensor, Euler curvature, and quaternion charges in a multi-gap photonic lattice via orbital-resolved polarimetry.
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Quantum-metric Bloch oscillations in weakly inhomogeneous electric fields
Weakly inhomogeneous electric fields add a distinct quantum-metric contribution to Bloch oscillations, yielding oscillatory transport with an intrinsic part and a scattering-time-dependent part that can saturate at high fields.