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Nodal-antinodal dichotomy from anisotropic quantum critical continua in holographic models
Nordita SU; Stockholm Univ, Hannes Alfvens Vag 12, SE-10691 Stockholm, Sweden..
Independent Univ Bangladesh IUB, Dhaka 1229, Bangladesh.;Independent Univ, Ctr Computat & Data Sci, Dhaka 1229, Bangladesh..
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. KTH Royal InNordita SU; Stockholm Univ, Hannes Alfvens Vag 12, SE-10691 Stockholm, Sweden..ORCID iD: 0000-0001-8789-8703
2023 (English)In: SciPost Physics, E-ISSN 2542-4653, Vol. 14, no 6, article id 161Article in journal (Refereed) Published
Abstract [en]

We demonstrate that the absence of stable quasiparticle excitations on parts of the Fermi surface, similar to the "nodal-antinodal dichotomy" in underdoped cuprate su-perconductors, can be reproduced in models of strongly correlated electrons defined via a holographic dual. We show analytically that the anisotropy of the quantum critical continuum, which is a feature of these models, may lead to washing out the quasipar-ticle peak in one direction while leaving it intact in the perpendicular one. The effect relies on the qualitatively different scaling of the self-energy in different directions. Us-ing the explicit example of the anisotropic Q-lattice model, we demonstrate how this effect emerges due to specific features of the near horizon geometry of the black hole in the dual description.

Place, publisher, year, edition, pages
Stichting SciPost , 2023. Vol. 14, no 6, article id 161
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-331708DOI: 10.21468/SciPostPhys.14.6.161ISI: 001017870800002Scopus ID: 2-s2.0-85165427943OAI: oai:DiVA.org:kth-331708DiVA, id: diva2:1782467
Note

QC 20230714

Available from: 2023-07-14 Created: 2023-07-14 Last updated: 2024-08-28Bibliographically approved

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Krikun, Alexander

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