An alternative interpretation of the magnetic penetration depth data on Pr2-xCexCuO4-y and La2-xCe xCuO4-y

K. K. Voo, W. C. Wu

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Abstract

We have revisited the magnetic penetration depth data on the electron-doped cuprates, Pr2-xCexCuO4-y and La 2-xCexCuO4-y. It is proposed that the transition between nodal-gap-like and nodeless-gap-like behavior upon electron-doping [e.g., see M. Kim et al., Phys. Rev. Lett. 91 (2003) 87001] can be due to a scattering of the quasiparticles in the d-wave superconducting state by an incipient or weak antiferromagnetic spin-density-wave. This conjecture is supported by the inelastic neutron scattering and angle-resolved photoemission experiments on some closely related electron-doped cuprates.

Original languageEnglish
Pages (from-to)103-109
Number of pages7
JournalPhysica C: Superconductivity and its applications
Volume417
Issue number3-4
DOIs
Publication statusPublished - 2005 Jan 1

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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