We consider the unoriented two-dimensional Abelian sandpile model from a perspective based on two-dimensional (conformal) field theory. We compute lattice correlation functions for various cluster variables (at and off criticality), from which we infer the field-theoretic description in the scaling limit. We find perfect agreement with the predictions of a c=-2 conformal field theory and its massive perturbation, thereby providing direct evidence for conformal invariance and more generally for a description in terms of a local field theory. The question of the height 2 variable is also addressed, with, however, no definite conclusion yet.
Scaling fields in the two-dimensional Abelian sandpile model.
Published 2001 in Physical review. E, Statistical, nonlinear, and soft matter physics
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PUBLICATION RECORD
- Publication year
2001
- Venue
Physical review. E, Statistical, nonlinear, and soft matter physics
- Publication date
2001-07-18
- Fields of study
Medicine, Physics, Mathematics
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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