Quantum Fisher information in a strange metal

Federico Mazza; Sounak Biswas; Xinlin Yan; Andrey Prokofiev; Paul Steffens; Qimiao Si; Fakher F. Assaad; Silke Paschen

doi:10.1038/s41567-026-03298-0

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Quantum Fisher information in a strange metal

Federico Mazza, Sounak Biswas, Xinlin Yan, Andrey Prokofiev, Paul Steffens, Qimiao Si, Fakher F. Assaad, Silke Paschen

2026Nature Physics 22, 1064-1070CC BY 4.0LCP000119

Fig. 2, panel (b)

Scaling collapse: $S(\mathbf{q},\omega)$ from panel a multiplied by $(k_{\mathrm{B}}T)^{\alpha}$ with $\alpha = 0.88$, against $\hbar\omega/k_{\mathrm{B}}T$ on log axes, for twelve temperatures from 0.06 to 5 K (circles to 0.5 K, triangles from 0.78 K) at $B = 1.73$ T and $\mathbf{q} = (0\bar{1}0)$, with error bars. The print's legend reads 3.5 K for the series the deposit labels 3.2 K.

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This panel was reproduced from the authors' public data deposit (Zenodo: https://doi.org/10.5281/zenodo.19349955, CC BY 4.0). The plot shown here is re-rendered for interactive viewing and analysis. See the paper for the original figure and full scientific context.

License: CC BY 4.0.

Nat. Phys. 22, 1064-1070 (2026) · DOI: 10.1038/s41567-026-03298-0

Other panels of Fig. 2: (a) (b-inset)

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