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arXiv 1004.0795cond-mat.dis-nnphysics.soc-ph
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生长网络上键渗流的临界相

Critical Phase of Bond Percolations on Growing Networks

Takehisa Hasegawa, Koji Nemoto

摘要:

研究了随机生长树上键渗流的临界相。结果表明,根簇随系统规模$N$的增长为$N^ψ$,并且在整个开键概率$p$范围内,每个节点上规模为$s$的簇的平均数服从幂函数$n_s \propto s^{-τ}$.指数$τ$和分形指数$ψ$也导出作为$p$和度指数$γ$的函数,并发现满足标度关系$τ=1+ψ^{-1}$。数值结果与几个网络尺寸相当好地拟合了一个有限尺寸标度为广泛的$p$和$γ$,这给出了一个明确的证据,存在一个临界相。

英文摘要:

The critical phase of bond percolation on the random growing tree is examined. It is shown that the root cluster grows with the system size $N$ as $N^ψ$ and the mean number of clusters with size $s$ per node follows a power function $n_s \propto s^{-τ}$ in the whole range of open bond probability $p$. The exponent $τ$ and the fractal exponent $ψ$ are also derived as a function of $p$ and the degree exponent $γ$, and are found to satisfy the scaling relation $τ=1+ψ^{-1}$. Numerical results with several network sizes are quite well fitted by a finite size scaling for a wide range of $p$ and $γ$, which gives a clear evidence for the existence of a critical phase.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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