Rooted Spiral Trees on Hyper-cubical lattices

Details Rooted Spiral Trees on Hyper-cubical lattices Rooted Spiral Trees on Hyper-cubical lattices

2004-10-15

arxiv.org/abs/cond-mat/0410395v3

JSP Vol.120,101-123(2005)

Physics

Condensed Matter

Statistical Mechanics

replaced with published version

Scientific paper

10.1007/s10955-005-7773-8

We study rooted spiral trees in 2,3 and 4 dimensions on a hyper cubical lattice using exact enumeration and Monte-Carlo techniques. On the square lattice, we also obtain exact lower bound of 1.93565 on the growth constant $\lambda$. Series expansions give $\theta=-1.3667\pm 0.001$ and $\nu = 1.3148\pm0.001$ on a square lattice. With Monte-Carlo simulations we get the estimates as $\theta=-1.364\pm0.01$, and $\nu = 1.312\pm0.01$. These results are numerical evidence against earlier proposed dimensional reduction by four in this problem. In dimensions higher than two, the spiral constraint can be implemented in two ways. In either case, our series expansion results do not support the proposed dimensional reduction.

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