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TWISTED BILAYER GRAPHENE

Encounter with a stranger metal

Nature Physics volume 18, pages 619–620 (2022)Cite this article

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Low-temperature measurements on twisted bilayer graphene show that the exotic ‘strange metal’ state is almost certainly caused by interactions between electrons.

Superconductivity in metals such as mercury and niobium has been understood for more than half a century. But there is a class of unconventional superconductors — arguably best exemplified by copper oxide compounds, or ‘cuprates’ — for which things are still far from clear. To understand what is going on in this wider class of materials, one route is to investigate the non-symmetry-broken or ‘normal’ state for clues about how electrons interact with each other in that simplified setting. Now, writing in Nature Physics, Alexandre Jaoui and co-workers report a careful examination of a certain type of normal state in twisted bilayer graphene, known as the ‘strange metal’1.

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Fig. 1: Strange metal behaviour.

References

  1. Jaoui, A. et al. Nat. Phys. https://doi.org/10.1038/s41567-022-01556-5 (2022).

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Authors and Affiliations

  1. Instituto de Ciencia de Materiales de Madrid, CSIC, Madrid, Spain

    Tobias Stauber

  2. Theoretical Physics III, Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg, Augsburg, Germany

    Tobias Stauber

  3. Instituto de Estructura de la Materia, CSIC, Madrid, Spain

    José González

Authors
  1. Tobias Stauber
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  2. José González
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Correspondence to Tobias Stauber or José González.

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The authors declare no competing interests.

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Stauber, T., González, J. Encounter with a stranger metal. Nat. Phys. 18, 619–620 (2022). https://doi.org/10.1038/s41567-022-01573-4

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  • DOI: https://doi.org/10.1038/s41567-022-01573-4

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