Weak singularity and absence of metastability in random Ising ferromagnets
- 1 December 1982
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 15 (12) , L749-L752
- https://doi.org/10.1088/0305-4470/15/12/016
Abstract
In the above models there exists a weak singularity of the magnetisation, in addition to its jump, on the first-order transition line. It corresponds to the Griffiths (1969) singularity above the temperature of the phase transition. Analytic continuation from positive to negative magnetic fields, yielding a metastable state is impossible.Keywords
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