Higher Order and boundary Scaling Fields in the Abelian Sandpile Model
S. Moghimi-Araghi, A. Nejati
Abstract
The Abelian Sandpile Model (ASM) is a paradigm of self-organized criticality (SOC) which is related to c=-2 conformal field theory. The conformal fields corresponding to some height clusters have been suggested before. Here we derive the first corrections to such fields, in a field theoretical approach, when the lattice parameter is non-vanishing and consider them in the presence of a boundary.
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