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<div class="csl-entry">Bühler-Paschen, S. (2025, August 16). <i>Strange metals – From superconductivity to entanglement</i> [Conference Presentation]. ULT 2025: Frontiers of Low Temperature Physics, Lancaster, United Kingdom of Great Britain and Northern Ireland (the). http://hdl.handle.net/20.500.12708/224805</div>
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dc.identifier.uri
http://hdl.handle.net/20.500.12708/224805
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dc.description.abstract
Strange metal behavior – best known as a linear-in-temperature electrical resistivity at low
temperatures instead of the normal Fermi liquid square-in-temperature one – occurs across
many classes of quantum materials [1,2]. As the parent state of high-temperature
superconductivity, it is of broad interest. Its full understanding, however, is a major challenge.
Heavy fermion compounds are particularly versatile model materials for studying this physics:
they are comparatively simple, clean, and highly tunable, and several characteristics beyond
linear-in-temperature resistivity have already been identified. I will give an overview and
highlight recent results, including dynamical scaling of the terahertz conductivity [3], strongly
suppressed shot noise [4], and a quantum Fisher information analysis of inelastic neutron
scattering data [5].
The work was supported by the European Research Council (ERC Advanced Grant
101055088 “CorMeTop”), the Austrian Science Fund (FWF grants SFB F86 “Q-M&S”, I5868-
N/FOR5249 “QUAST”, 10.55776/COE1 “quantA”), and the Air Force Office of Scientific
Research (AFOSR project No. FA8655-24-1-7018).
[1] S. Paschen, Q. Si, Nat. Rev. Phys. 3, 9 (2021).
[2] J. G. Checkelsky, B. A. Bernevig, P. Coleman, Q. Si, & S. Paschen, Nat. Rev. Mater. 9,
509 (2024).
[3] L. Prochaska et al., Science 367, 285 (2020).
[4] L. Chen et al., Science 382, 907 (2023).
[5] F. Mazza et al., arXiv:2403.12779 (2024).
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dc.language.iso
en
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dc.subject
superconductivity
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dc.subject
entanglement
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dc.subject
heavy fermion compounds
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dc.title
Strange metals – From superconductivity to entanglement
