Physics – Condensed Matter – Statistical Mechanics
Scientific paper
1997-04-03
PRE, vol.55, 2093, 1997
Physics
Condensed Matter
Statistical Mechanics
4 pages, RevTex, 3 figures
Scientific paper
10.1103/PhysRevE.55.R2093
We study the distribution of sizes of erased loops for loop-erased random walks on regular and fractal lattices. We show that for arbitrary graphs the probability $P(l)$ of generating a loop of perimeter $l$ is expressible in terms of the probability $P_{st}(l)$ of forming a loop of perimeter $l$ when a bond is added to a random spanning tree on the same graph by the simple relation $P(l)=P_{st}(l)/l$. On $d$-dimensional hypercubical lattices, $P(l)$ varies as $l^{-\sigma}$ for large $l$, where $\sigma=1+2/z$ for $1
Dhar Abhishek
Dhar Deepak
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