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Uniaxial pressure induced stripe order rotation in La$_{1.88}$Sr$_{0.12}$CuO$_{4}$


Abstract

Static stripe order is detrimental to superconductivity. Yet, it has been proposed that transverse stripe fluctuations may enhance the inter-stripe Josephson coupling and thus promote superconductivity. Direct experimental studies of stripe dynamics, however, remain difficult. From a strong-coupling perspective, transverse stripe fluctuations are realized in the form of dynamic “kinks”—sideways shifting stripe sections. Here, we show how modest uniaxial pressure tuning reorganizes directional kink alignment. Our starting point is La$_{1.88}$Sr$_{0.12}CuO$_{4}$ where transverse kink ordering results in a rotation of stripe order away from the crystal axis. Application of mild uniaxial pressure changes the ordering pattern and pins the stripe order to the crystal axis. This reordering occurs at a much weaker pressure than that to detwin the stripe domains and suggests a rather weak transverse stripe stiffness. Weak spatial stiffness and transverse quantum fluctuations are likely key prerequisites for stripes to coexist with superconductivity.

Abstract

Static stripe order is detrimental to superconductivity. Yet, it has been proposed that transverse stripe fluctuations may enhance the inter-stripe Josephson coupling and thus promote superconductivity. Direct experimental studies of stripe dynamics, however, remain difficult. From a strong-coupling perspective, transverse stripe fluctuations are realized in the form of dynamic “kinks”—sideways shifting stripe sections. Here, we show how modest uniaxial pressure tuning reorganizes directional kink alignment. Our starting point is La$_{1.88}$Sr$_{0.12}CuO$_{4}$ where transverse kink ordering results in a rotation of stripe order away from the crystal axis. Application of mild uniaxial pressure changes the ordering pattern and pins the stripe order to the crystal axis. This reordering occurs at a much weaker pressure than that to detwin the stripe domains and suggests a rather weak transverse stripe stiffness. Weak spatial stiffness and transverse quantum fluctuations are likely key prerequisites for stripes to coexist with superconductivity.

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Other titles:Uniaxial pressure induced stripe order rotation in La1.88Sr0.12CuO4
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > General Chemistry
Life Sciences > General Biochemistry, Genetics and Molecular Biology
Physical Sciences > General Physics and Astronomy
Uncontrolled Keywords:General Physics and Astronomy, General Biochemistry, Genetics and Molecular Biology, General Chemistry
Language:English
Date:1 December 2022
Deposited On:22 Jun 2022 14:16
Last Modified:27 Jun 2024 01:38
Publisher:Nature Publishing Group
ISSN:2041-1723
OA Status:Gold
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1038/s41467-022-29465-4
PubMed ID:35379813
Project Information:
  • : FunderSNSF
  • : Grant IDBSSGI0_155873
  • : Project TitleQuantum MAny-body Physics in Solids
  • : FunderSNSF
  • : Grant ID200021_188564
  • : Project TitleInterdisciplinary Approach to Unconventional Superconductivity
  • : FunderSNSF
  • : Grant ID200021_178867
  • : Project TitleElectron-Phonon Interactions in Rare-Earth Nickelates and Superconducting Cuprates
  • : FunderSNSF
  • : Grant IDBSSGI0_155873
  • : Project TitleQuantum MAny-body Physics in Solids
  • : FunderSNSF
  • : Grant ID200021_188564
  • : Project TitleInterdisciplinary Approach to Unconventional Superconductivity
  • : FunderMinistry of Science, Innovation and Higher Education | Styrelsen for Forskning og Innovation
  • : Grant ID
  • : Project Title
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)