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 (a)

Dynamical spin correlation function $S(\mathbf{q},\omega)$ against energy $\hbar\omega$ at $\mathbf{q} = (0\bar{1}0)$ and $B = 1.73$ T, for isotherms at 0.06, 0.125, 0.5, 1.5, 3.2 and 10 K, with error bars and the thin line drawn through each isotherm in the print. Error bars of the 0.06 K points that the print hides under the symbol are left empty.

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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), with the 0.06 K isotherm and the lines through the isotherms recovered from the published vector figure. 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: (b) (b-inset)

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