Absence of first order transition in the random crystal field Blume-Capel model on a fully connected graph

24 Nov 2016 Sumedha Jana Nabin K

In this paper we solve the Blume-Capel model on a complete graph in the presence of random crystal field with a distribution, $P(\Delta_i) =p\delta(\Delta_i-\Delta)+(1-p) \delta(\Delta_i+\Delta)$, using large deviation techniques. We find that the first order transition of the pure system is destroyed for $0.046<p<0.954$ for all values of the crystal field, $\Delta$... (read more)

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