Abstract
Abstract
Numerical values of lattice star entropic exponents γ
f
, and star vertex exponents σ
f
, are estimated using parallel implementations of the PERM and Wang–Landau algorithms. Our results show that the numerical estimates of the vertex exponents deviate from predictions of the ϵ-expansion and confirms and improves on estimates in the literature. We also estimate the entropic exponents
γ
G
of a few acyclic branched lattice networks with comb and brush connectivities. In particular, we confirm within numerical accuracy the Duplantier scaling relation
γ
G
−
1
=
∑
f
⩾
1
m
f
σ
f
for a comb and two brushes (where m
f
is the number of nodes of degree f in the network) using our independent estimates of σ
f
.
Funder
Alexander Graham Bell Graduate Scholarship Canada
NSERC
Subject
General Physics and Astronomy,Mathematical Physics,Modeling and Simulation,Statistics and Probability,Statistical and Nonlinear Physics
Cited by
1 articles.
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