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# A Lower Bound for the End-to-End Distance of Self-Avoiding Walk

Published:2012-06-22
Printed: Mar 2014
For an $N$-step self-avoiding walk on the hypercubic lattice ${\bf Z}^d$, we prove that the mean-square end-to-end distance is at least $N^{4/(3d)}$ times a constant. This implies that the associated critical exponent $\nu$ is at least $2/(3d)$, assuming that $\nu$ exists.