Bootstrap percolation and kinetically constrained models on hyperbolic lattices

Details Bootstrap percolation and kinetically constrained models on hyperbolic lattices Bootstrap percolation and kinetically constrained models on hyperbolic lattices

2009-07-06

arxiv.org/abs/0907.0938v2

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1007/s10955-009-9903-1

We study bootstrap percolation (BP) on hyperbolic lattices obtained by regular tilings of the hyperbolic plane. Our work is motivated by the connection between the BP transition and the dynamical transition of kinetically constrained models, which are in turn relevant for the study of glass and jamming transitions. We show that for generic tilings there exists a BP transition at a nontrivial critical density, $0<\rho_c<1$. Thus, despite the presence of loops on all length scales in hyperbolic lattices, the behavior is very different from that on Euclidean lattices where the critical density is either zero or one. Furthermore, we show that the transition has a mixed character since it is discontinuous but characterized by a diverging correlation length, similarly to what happens on Bethe lattices and random graphs of constant connectivity.

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