Critical indices of random planar electrical networks

AUTOR(ES)

Espinoza Ortiz, J.S., Gunaratne, Gemunu H.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2009-06

RESUMO

We propose a new method to estimate the percolation threshold p c and the critical index t associated with strength reduction in networks of random fused conductors. It relies on a recently proposed expression for the yield strength of a network as a function of the probability p that each element is removed from it. The values of critical indices are confirmed using finite size scaling. Further, we systematically study effects of different damage modalities, which are chosen to reflect age-related changes in the porous inner segments of human bone. In particular, we find that p c and t depend on damage modalities.

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