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Topological estimation of percolation thresholds

Richard A Neher1,3, Klaus Mecke2 and Herbert Wagner1

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Table 1. The deviation of the estimate \pestzeta (s_0, \lattice) from pc(Λ) decreases rapidly when s0 is increased from zero to two.
s0 63 4, 82 4, 6, 12 3, 122 \frac {1}{2} {{3, 4, 3, 12}\choose {3, 12^{2}}}
0 –0.010 27 –0.022 58 –0.031 84 –0.045 43 –0.050 85
1 –0.005 53 –0.009 01 –0.015 30 –0.012 40 –0.020 93
2 –0.005 51 –0.002 83 –0.007 01 –0.006 15 –0.009 37

Table 2. Numerical values for p0 and pc of the cubic lattices for black and white connectivities. The bcc lattice has equal black and white connectivities.
Lattice z p0 pc
sc (black) 6 0.3940 0.3116a
fcc (black) 12 0.2370 0.1992a
bcc 14 0.2113 0.175b
fcc (white) 18 0.1616 0.136b
sc (white) 26 0.1139 0.097b
a Threshold densities are taken from [25]. b Threshold densities are taken from [26].


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