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Momentum-dependent scaling exponents of nodal self-energies measured in strange metal cuprates and modelled using semi-holography

Smit, S. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
Mauri, E. (författare)
Institute for Theoretical Physics and Center for Extreme Matter and Emergent Phenomena, Utrecht University, Utrecht, The Netherlands
Bawden, L. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
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Heringa, F. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
Gerritsen, F. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
van Heumen, E. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
Huang, Y. K. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
Kondo, T. (författare)
Institute for Solid State Physics, University of Tokyo, 277-8581, Kashiwa, Chiba, Japan, Chiba
Takeuchi, T. (författare)
Energy Materials Laboratory, Toyota Technological Institute 2-12-1 Hisakata Tempaku-ku, 468-8511, Nagoya, Japan
Hussey, N. E. (författare)
High Field Magnet Laboratory (HFML-EMFL) and Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525 ED, Nijmegen, The Netherlands, Toernooiveld 7; H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, BS8 1TL, Bristol, UK, Tyndall Avenue
Allan, M. (författare)
Leiden Institute of Physics, Leiden University, Leiden, The Netherlands
Kim, T. K. (författare)
Diamond Light Source, Harwell Campus, OX11 0DE, Didcot, UK, Harwell Campus
Cacho, C. (författare)
Diamond Light Source, Harwell Campus, OX11 0DE, Didcot, UK, Harwell Campus
Krikun, Alexander, 1986- (författare)
KTH,Nordic Institute for Theoretical Physics NORDITA,NORDITA, Stockholm University, Hannes Alfvéns väg 12, 106 91, Stockholm, Sweden, Hannes Alfvéns väg 12
Schalm, K. (författare)
Institute-Lorentz for Theoretical Physics, Leiden University, P.O. Box 9506, Leiden, The Netherlands
Stoof, H. T.C. (författare)
Institute for Theoretical Physics and Center for Extreme Matter and Emergent Phenomena, Utrecht University, Utrecht, The Netherlands
Golden, M. S. (författare)
Van der Waals - Zeeman Institute, Institute of Physics, University of Amsterdam, Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904; Dutch Institute for Emergent Phenomena (DIEP), Sciencepark 904, 1098 XH, Amsterdam, The Netherlands, Sciencepark 904
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 (creator_code:org_t)
Nature Research, 2024
2024
Engelska.
Ingår i: Nature Communications. - : Nature Research. - 2041-1723. ; 15:1
Relaterad länk:
https://doi.org/10.1...
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https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The anomalous strange metal phase found in high-Tc cuprates does not follow the conventional condensed-matter principles enshrined in the Fermi liquid and presents a great challenge for theory. Highly precise experimental determination of the electronic self-energy can provide a test bed for theoretical models of strange metals, and angle-resolved photoemission can provide this as a function of frequency, momentum, temperature and doping. Here we show that constant energy cuts through the nodal spectral function in (Pb,Bi)2Sr2−xLaxCuO6+δ have a non-Lorentzian lineshape, consistent with a self-energy that is k dependent. This provides a new test for aspiring theories. Here we show that the experimental data are captured remarkably well by a power law with a k-dependent scaling exponent smoothly evolving with doping, a description that emerges naturally from anti-de Sitter/conformal-field-theory based semi-holography. This puts a spotlight on holographic methods for the quantitative modelling of strongly interacting quantum materials like the cuprate strange metals.

Ämnesord

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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