Direct Raman observation of the quantum metric in a quantum magnet

arXiv:2511.10246 · cond-mat.mtrl-sci, cond-mat.str-el, quant-ph · Submitted 2025-11-13 · Read on arXiv

cond-mat.mtrl-sci, cond-mat.str-el, quant-ph

Submitted: 2025-11-13

Updated: 2025-11-13

Comments: 6 pages, 4 figures

Journal ref: Phys. Rev. Lett.136, 116605, 2026

DOI: 10.1103/vh43-n1l1

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Quantum Metric — 4× in this paper · explained in 2 episodes
• Berry Curvature — 2× in this paper · explained in 4 episodes
• Quantum Geometric Tensor (QGT) — 1× in this paper · explained in 4 episodes

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