Unconventional density waves in organic conductors

Research output: Contribution to journalArticle

Abstract

We present the theory of unconventional density waves (UDW) in quasi-one-dimensional electron systems. In UDW, the order parameter is a function of the wavenumber on the Fermi surface, like in unconventional superconductors. As a consequence, the UDW transition is not accompanied by static charge- or spin-density modulation, making it a possible candidate for the non-superconducting low temperature phase (LTP) of some of the α-(ET)2 salts. We calculate the threshold electric field for non-linear conduction in UDW both with and without applied magnetic field. Based on comparison with data on non-linear conduction, we propose that the LTP in α-(ET)2 salts is most likely an unconventional charge density wave (UCDW).

Original languageEnglish
Pages (from-to)317-319
Number of pages3
JournalSynthetic Metals
Volume139
Issue number2
DOIs
Publication statusPublished - Sep 5 2003

Keywords

  • Hidden order
  • Magnetotransport
  • Organic conductors
  • Unconventional density waves

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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