Flux-density wave and superconducting instability of the staggered-flux phase

Ziqiang Wang, Gabriel Kotliar, Xiao Fang Wang

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

We study the stability of the staggered-flux phase in the t-J model away from half-filling using a systematic large-N slave-boson approach. Found below a critical doping concentration c=a(J/t)2, is a flux-density-wave instability with an incommensurability wave number 3/4. The instability towards a modulated-flux state is due to low-lying phase fluctuations of the valence bonds. When the doping parameter exceeds c, we find a fully gapped d-wave superconducting state due to residual quasiparticle interactions.

Original languageEnglish (US)
Pages (from-to)8690-8693
Number of pages4
JournalPhysical Review B
Volume42
Issue number13
DOIs
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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