Polynomial lower bound on the effective resistance for the one-dimensional critical long-range percolation

TL;DR

This paper establishes a polynomial lower bound on the effective resistance in one-dimensional critical long-range percolation, indicating no phase transition occurs around a critical parameter value.

Contribution

It provides the first polynomial lower bound on effective resistance in 1D critical long-range percolation, ruling out a phase transition near a specific parameter.

Findings

Effective resistances grow polynomially with N

No phase transition around  for the parameter 

Results hold for all  > 0

Abstract

In this work, we study the critical long-range percolation on $\mathbb{Z}$, where an edge connects $i$ and $j$ independently with probability $1-\exp\{-\beta |i-j|^{-2}\}$ for some fixed $\beta>0$. Viewing this as a random electric network where each edge has a unit conductance, we show that with high probability the effective resistances from the origin 0 to $[-N, N]^c$ and from the interval $[-N,N]$ to $[-2N,2N]^c$ (conditioned on no edge joining $[-N,N]$ and $[-2N,2N]^c$) both have a polynomial lower bound in $N$. Our bound holds for all $\beta>0$ and thus rules out a potential phase transition (around $\beta = 1$) which seemed to be a reasonable possibility.