Anomalous diffusion in nonlinear transformations of the noisy voter model

Phys Rev E. 2021 Mar;103(3-1):032154. doi: 10.1103/PhysRevE.103.032154.

Abstract

Voter models are well known in the interdisciplinary community, yet they have not been studied from the perspective of anomalous diffusion. In this paper, we show that the original voter model exhibits a ballistic regime. Nonlinear transformations of the observation variable and time scale allow us to observe other regimes of anomalous diffusion as well as normal diffusion. We show that numerical simulation results coincide with derived analytical approximations describing the temporal evolution of the raw moments.