Zeitschrift für Physik B Condensed Matter

, Volume 80, Issue 1, pp 133–137 | Cite as

Theory of the reentrant transition in a lamellar antiferromagnet: doped La2CuO4

  • L. I. Glazman
  • A. S. Ioselevich
Original Contributions

Abstract

The effect of impurity-induced states on the long range order in a lamellar antiferromagnet (AF) is studied and the magnetic phase-diagram of a lightly doped La2−xSrxCuO4 is proposed. It is shown that long range magnetic perturbations and the layered structure cause the shrinkage of AF domain on the phase diagram and lead to the reentrant AF transition. A nonmonotonous dependence of the correlation length ξ2D on temperatureT is obtained; the dependence ξ2D(x) is exponential for highT and ξ2Dx1/2 for lowT.

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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • L. I. Glazman
    • 1
  • A. S. Ioselevich
    • 2
  1. 1.Institute of Theoretical PhysicsChalmers University of TechnologyGoteborgSweden
  2. 2.L.D. Landau Institute for Theoretical PhysicsUSSR Academy of SciencesMoscowUSSR
  3. 3.Institute of Problems or Microelectronics Technology and High-Purity MaterialsUSSR Academy of SciencesChernogolovka, Moscow districtUSSR

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