Finite-size scaling theory for explosive percolation transitions

Y. S. Cho, S. W. Kim, J. D. Noh, B. Kahng, D. Kim

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Abstract

The finite-size scaling (FSS) theory for continuous phase transitions has been useful in determining the critical behavior from the size-dependent behaviors of thermodynamic quantities. When the phase transition is discontinuous, however, FSS approach has not been well established yet. Here, we develop a FSS theory for the explosive percolation transition arising in the Erdos and Rényi model under the Achlioptas process. A scaling function is derived based on the observed fact that the derivative of the curve of the order parameter at the critical point tc diverges with system size in a power-law manner, which is different from the conventional one based on the divergence of the correlation length at tc. We show that the susceptibility is also described in the same scaling form. Numerical simulation data for different system sizes are well collapsed on the respective scaling functions.

Original languageEnglish
Article number042102
JournalPhysical Review E
Volume82
Issue number4
DOIs
StatePublished - 8 Oct 2010

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