Journal
CHINESE JOURNAL OF PHYSICS
Volume 64, Issue -, Pages 25-34Publisher
ELSEVIER
DOI: 10.1016/j.cjph.2019.12.016
Keywords
Critical exponent; Explosive percolation; Finite-size scaling function; Universal finite-size scaling function
Categories
Funding
- National Natural Science Foundation of China (NNSFC) [11175086, 10775071, 11775111]
- National Research Foundation of Korea (NRF) - Korea Government (MSIT) [2017R1A2B2005957]
- [MOST 108-2112-M-259 -008]
- National Research Foundation of Korea [2017R1A2B2005957] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In some systems, the connecting probability (and thus the percolation process) between two sites depends on the geometric distance between them. To understand such process, we propose gravitationally correlated percolation models for link-adding networks on the two-dimensional lattice G with two strategies S-max and S-min, to add a link l(i,j) to connect site i and site j with mass m, and respectively; m(i) and m(i) are sizes of the clusters which contain site i and site j, respectively. The probability to add the link l(i,j) is related to the generalized gravity g m(i)m(j)/ r(ij)(d), where r(ij) is the geometric distance between i and j, and d is an adjustable decaying exponent. In the beginning of the simulation, all sites of G are occupied and there is no link. In the simulation process, two inter-cluster links l(i,j) and l(k,n) are randomly chosen and the generalized gravities g(ij) and g(kn) are computed. In the strategy S-max, the link with larger generalized gravity is added. In the strategy S-min, the link with smaller generalized gravity is added, which include percolation on the Erdos-Renyi random graph and the Achlioptas process of explosive percolation as the limiting cases, d -> infinity and d -> 0, respectively. Adjustable strategies facilitate or inhibit the network percolation in a generic view. We calculate percolation thresholds T-c and critical exponents beta by numerical simulations. We also obtain various finite-size scaling functions for the node fractions in percolating clusters or arrival of saturation length with different intervening strategies.
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