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Biconical critical dynamics

Authors
  • Folk, R.
  • Holovatch, Yu.
  • Moser, G.
Type
Published Article
Publication Date
Aug 11, 2010
Submission Date
Jun 09, 2010
Identifiers
DOI: 10.1209/0295-5075/91/46002
Source
arXiv
License
Yellow
External links

Abstract

A complete two loop renormalization group calculation of the multicritical dynamics at a tetracritical or bicritical point in anisotropic antiferromagnets in an external magnetic field is performed. Although strong scaling for the two order parameters (OPs) perpendicular and parallel to the field is restored as found earlier, in the experimentally accessible region the effective dynamical exponents for the relaxation of the OPs remain different since their equal asymptotic values are not reached.

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