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Modulated replica symmetry breaking schemes for antiferrimagnetic spin glasses

  • R. OppermannEmail author
  • D. Sherrington
  • M. Kiselev
Article

Abstract

We define modulated replica symmetry breaking (RSB) schemes which combine tree- and wave-like structures. A modulated scheme and unmodulated RSB are evaluated at 1-step level for a semiconductor model with antiferromagnetic Korenblit-Shender interaction. By comparison of the free energies we find evidence that a T = 0 phase transition in the ferrimagnetic phase leads to a transition between the different RSB-schemes. An embedding factor of Parisi block matrices with sublattice-asymmetrical size is employed as a new variational parameter in the modulated scheme.

Keywords

Spin Glass Discontinuous Transition Spin Glass Model Spin Glass Phasis Replica Symmetry Break 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2003

Authors and Affiliations

  1. 1.Institute for Theoretical PhysicsUniversity of WürzburgWürzburgGermany
  2. 2.Department of PhysicsUniversity of OxfordOxfordUK

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