Critical behavior of the contact process in a multiscale network

Details Critical behavior of the contact process in a multiscale network Critical behavior of the contact process in a multiscale network

2011-01-06

arxiv.org/abs/1101.1165v1

Phys. Rev. E 76, 036112 (2007)

Physics

Physics and Society

Scientific paper

10.1103/PhysRevE.76.036112

Inspired by dengue and yellow fever epidemics, we investigated the contact process (CP) in a multiscale network constituted by one-dimensional chains connected through a Barab\'asi-Albert scale-free network. In addition to the CP dynamics inside the chains, the exchange of individuals between connected chains (travels) occurs at a constant rate. A finite epidemic threshold and an epidemic mean lifetime diverging exponentially in the subcritical phase, concomitantly with a power law divergence of the outbreak's duration, were found. A generalized scaling function involving both regular and SF components was proposed for the quasistationary analysis and the associated critical exponents determined, demonstrating that the CP on this hybrid network and nonvanishing travel rates establishes a new universality class.

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