Phase transition and power-law coarsening in an Ising-doped voter model.
basic_science · Level V
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- Record sourced from PubMed, PMID 29346944.
- Also identified by DOI 10.1103/PhysRevE.96.032145.
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Abstract
We examine an opinion formation model, which is a mixture of Voter and Ising agents. Numerical simulations show that even a very small fraction (∼1%) of the Ising agents drastically changes the behavior of the Voter model. The Voter agents act as a medium, which correlates sparsely dispersed Ising agents, and the resulting ferromagnetic ordering persists up to a certain temperature. Upon addition of the Ising agents, a logarithmically slow coarsening of the Voter model (d=2), or its active steady state (d=3), change into an Ising-type power-law coarsening.