Superconducting coherent quasiparticle weight in high-Tc superconductor from angle-resolved photoemission

H. Ding, J. R. Engelbrecht, Z. Wang, S. C. Wang, H. B. Yang, J. C. Campuzano, T. Takahashi, K. Kadowaki, D. G. Hinks

Research output: Contribution to journalConference articlepeer-review

Abstract

We study the doping and temperature dependence of the single-particle coherent weight, zA, for high-Tc superconductors Bi2Sr2CaCu2O8+x using angle-resolved photoemission. We find that at low temperatures the coherent weight zA at (π,0) is proportional to the carrier concentration x and that the temperature-dependence of zA is similar to that of the c-axis superfluid density. We show that, for a wide range of carrier concentration, the superconducting transition temperature scales with the product of the low-temperature coherent weight and the maximum superconducting gap.

Original languageEnglish
Pages (from-to)2135-2139
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume63
Issue number12
DOIs
Publication statusPublished - 2002 Dec
EventSNS 2001 - Chicago, IL, United States
Duration: 2001 May 132002 May 17

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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