Advertisement

Order in coupled metallic chains

  • R. A. Klemm
  • H. Gutfreund
II. Quasi-One-Dimentional Models
Part of the Lecture Notes in Physics book series (LNP, volume 65)

Abstract

We consider a model of the quasi-one-dimensional conductors in which the electrons propagate on a lattice of identical metallic chains. The intrachain interactions are g1, 92, and 94 and the interchain interactions are v1, v2, and v4. The calculations are carried out for g1=0 and g1/πvF = −6/5, which corresponds to the Luttinger and Luther-Emery lines. When only low-momentum transfer interchain interactions are considered, there is no phase transition. With interchain backscattering, the system may undergo a charge density wave phase transition, but no other type of phase transition. In particular, there cannot be a superconducting phase transition at a finite temperature without some interchain hopping. When interchain tunnelling processes are included, all types of possible long range orderings are possible, and the system undergoes a phase transition of the type which for the particular values of the intrachain interactions, the purely one-dimensional response function is the most divergent as T → 0.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    H. Gutfreund and R. A. Klemm, Phys. Rev. B 14, 1073 (1976); R. A. Klemm and H. Gutfreund, Phys. Rev. B 14, 1086 (1976).Google Scholar
  2. 2.
    A. Luther and V. J. Emery, Phys. Rev. Lett. 33, 589 (1974).Google Scholar
  3. 3.
    L. Pintschovius, H. Wendel, and H. Kahlert, these proceedings.Google Scholar

Copyright information

© Akadémiai Kiadó 1977

Authors and Affiliations

  • R. A. Klemm
    • 1
  • H. Gutfreund
    • 2
    • 3
  1. 1.Stanford UniversityStanfordCalifornia
  2. 2.The Hebrew University of JerusalemJerusalemIsrael
  3. 3.Department of PhysicsIowa State UniversityAmesUSA

Personalised recommendations