Quantum geometry gives rise to many fascinating phenomena in solids that go beyond Landau theory. A general framework is now introduced to measure the quantum geometric tensor in solids — a fundamental physical quantity that encodes the complete geometric information of the Bloch state.
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This is a summary of: Kang, M. et al. Measurements of the quantum geometric tensor in solids. Nat. Phys. https://doi.org/10.1038/s41567-024-02678-8 (2024).
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Quantum geometry in solids measured using photo-emitted electrons. Nat. Phys. (2024). https://doi.org/10.1038/s41567-024-02681-z
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DOI: https://doi.org/10.1038/s41567-024-02681-z