The Directed Abelian Sandpile Model on Cylinders
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866917500066725888 |
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| author | Quadir, Abdul Kalinin, Nikita Ramaswamy, Ram |
| author_facet | Quadir, Abdul Kalinin, Nikita Ramaswamy, Ram |
| contents | We study the abelian sandpile model in two dimensions on a directed cylindrical lattice with periodic transverse boundary conditions in the transverse direction and dissipation at one boundary. Recurrent configurations form a finite abelian group, and repeated grain addition at a specific site generates deterministic dynamics on this group. Using Dhar's formulation, the sandpile group is identified with the co-kernel of the reduced directed Laplacian. We show that the group structure admits an exact reduction to a transverse problem, allowing complete determination of its cyclic decomposition. Our results establish a direct connection between the algebraic structure of the sandpile group and the periodicity of the driven dynamics, establishing the manner in which the underlying algebraic structure governs both deterministic and stochastic evolution in directed sandpile. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_15914 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Directed Abelian Sandpile Model on Cylinders Quadir, Abdul Kalinin, Nikita Ramaswamy, Ram Statistical Mechanics We study the abelian sandpile model in two dimensions on a directed cylindrical lattice with periodic transverse boundary conditions in the transverse direction and dissipation at one boundary. Recurrent configurations form a finite abelian group, and repeated grain addition at a specific site generates deterministic dynamics on this group. Using Dhar's formulation, the sandpile group is identified with the co-kernel of the reduced directed Laplacian. We show that the group structure admits an exact reduction to a transverse problem, allowing complete determination of its cyclic decomposition. Our results establish a direct connection between the algebraic structure of the sandpile group and the periodicity of the driven dynamics, establishing the manner in which the underlying algebraic structure governs both deterministic and stochastic evolution in directed sandpile. |
| title | The Directed Abelian Sandpile Model on Cylinders |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2605.15914 |