Singular charge fluctuations at a magnetic quantum critical point

@article{Prochaska2020SingularCF,
  title={Singular charge fluctuations at a magnetic quantum critical point},
  author={L. Prochaska and X. Li and D. MacFarland and A. M. Andrews and M. Bonta and E. F. Bianco and S. Yazdi and W. Schrenk and H. Detz and A. Limbeck and Q. Si and E. Ringe and G. Strasser and J. Kono and S. Paschen},
  journal={Science},
  year={2020},
  volume={367},
  pages={285 - 288}
}
Spin-charge entanglement Many physical properties follow characteristic scaling laws near quantum critical points, which are associated with phase transitions at absolute zero temperature. The material YbRh2Si2 has an antiferromagnetic quantum critical point, where spin-related properties are expected to follow such a scaling. Unexpectedly, Prochaska et al. found that charge fluctuations follow a critical scaling as well. The researchers fabricated high-quality thin films of YbRh2Si2 and used… Expand
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