Effect of Loops on the Vibrational Spectrum of Percolation Network
نویسنده
چکیده
We study the effects of adding loops to a critical percolation cluster on the diffusional, and equivalently, (scalar) elastic properties of the fractal network. From the numerical calculations of the eigenspectrum of the transition probability matrix, we find that the spectral dimension ds and the walk dimension dw change suddenly as soon as the floppy ends of a critical percolation cluster are connected together to form relatively large loops, and that the additional inclusion of successively smaller loops only change these exponents little if at all. This suggests that there is a new universality class associated with the loop-enhanced percolation problem.
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