Superconductivity and Peierls instability in coupled linear chain systems

B. Horovitz, A. Birnboim

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We study the superconducting transition temperature (Tc) and the Peierls instability temperature (Tp) using Eliashberg type equations for both Tc and Tp self consistently with finite interchain coupling. We show that Tc > Tp below a critical electron-phonon coupling constant which depends on the bare phonon frequency. This determines an upper bound on Tc so that for higher transition temperatures Tp > Tc and superconductivity is unlikely. Higher values of Tc are possible if the interchain coupling is increased above a critical value where the Peierls instability is suppressed.

Original languageEnglish
Pages (from-to)91-95
Number of pages5
JournalSolid State Communications
Volume19
Issue number2
DOIs
StatePublished - 1 Jan 1976
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry

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