Correlation, crossover, and broken scaling in the Abelian Manna model

The role of correlations in self-organized critical (SOC) phenomena is investigated by studying the Abelian Manna model (AMM) in two dimensions. Local correlations of the debris left behind after avalanches are destroyed by rearranging particles on the lattice between avalanches, without changing th...

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Main Authors: Letian Chen, Hoai Nguyen Huynh, Gunnar Pruessner
Format: Article
Language:English
Published: American Physical Society 2024-03-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.6.013248
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author Letian Chen
Hoai Nguyen Huynh
Gunnar Pruessner
author_facet Letian Chen
Hoai Nguyen Huynh
Gunnar Pruessner
author_sort Letian Chen
collection DOAJ
description The role of correlations in self-organized critical (SOC) phenomena is investigated by studying the Abelian Manna model (AMM) in two dimensions. Local correlations of the debris left behind after avalanches are destroyed by rearranging particles on the lattice between avalanches, without changing the one-point particle density. It is found that the spatial correlations are not relevant to small avalanches, while changing the scaling of the large (system-wide) ones, yielding a crossover in the model's scaling behavior. This crossover breaks the simple scaling observed in normal SOC.
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spelling doaj.art-8c22464caf6d4c8c85c1f3e9765db8592024-04-12T17:40:07ZengAmerican Physical SocietyPhysical Review Research2643-15642024-03-016101324810.1103/PhysRevResearch.6.013248Correlation, crossover, and broken scaling in the Abelian Manna modelLetian ChenHoai Nguyen HuynhGunnar PruessnerThe role of correlations in self-organized critical (SOC) phenomena is investigated by studying the Abelian Manna model (AMM) in two dimensions. Local correlations of the debris left behind after avalanches are destroyed by rearranging particles on the lattice between avalanches, without changing the one-point particle density. It is found that the spatial correlations are not relevant to small avalanches, while changing the scaling of the large (system-wide) ones, yielding a crossover in the model's scaling behavior. This crossover breaks the simple scaling observed in normal SOC.http://doi.org/10.1103/PhysRevResearch.6.013248
spellingShingle Letian Chen
Hoai Nguyen Huynh
Gunnar Pruessner
Correlation, crossover, and broken scaling in the Abelian Manna model
Physical Review Research
title Correlation, crossover, and broken scaling in the Abelian Manna model
title_full Correlation, crossover, and broken scaling in the Abelian Manna model
title_fullStr Correlation, crossover, and broken scaling in the Abelian Manna model
title_full_unstemmed Correlation, crossover, and broken scaling in the Abelian Manna model
title_short Correlation, crossover, and broken scaling in the Abelian Manna model
title_sort correlation crossover and broken scaling in the abelian manna model
url http://doi.org/10.1103/PhysRevResearch.6.013248
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AT hoainguyenhuynh correlationcrossoverandbrokenscalingintheabelianmannamodel
AT gunnarpruessner correlationcrossoverandbrokenscalingintheabelianmannamodel