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Statistics of nested spiral self-avoiding loops: exact results on the square and triangular lattices

L Turban

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The statistics of nested spiral, self-avoiding loops, which is closely related to the partition of integers into decreasing parts, has been studied on the square and triangular lattices. The number of configurations with N steps is cN approximately=(square root 2/24)N-3/2 exp(pi square root 2/3 N1/2) and their average size XN approximately=(1/2 pi ) square root 3/2 N1/2 ln N to leading order on the square lattice while the corresponding values for the triangular lattice are cN approximately= (33/4/16) N-5/4 exp(( pi/square root 3) N1/2) and XN approximately= 1/(pi square root 3) N1/2 ln N.


PACS

05.50.+q Lattice theory and statistics (Ising, Potts, etc.)

05.40.Fb Random walks and Levy flights

MSC

82B20 Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs

82B41 Random walks, random surfaces, lattice animals, etc. (See also 60G50, 82C41)

Subjects

Statistical physics and nonlinear systems

Dates

Issue 18 (21 September 1991)



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