Eigen microstates in self-organized criticality

Yongwen Zhang, Maoxin Liu, Gaoke Hu, Teng Liu, Xiaosong Chen

Research output: Contribution to journalArticlepeer-review

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Abstract

We employ the eigen microstates approach to explore the self-organized criticality (SOC) in two celebrated sandpile models, namely the BTW model and the Manna model. In both models, phase transitions from the absorbing state to the critical state can be understood by the emergence of dominant eigen microstates with significantly increased weights. Spatial eigen microstates of avalanches can be uniformly characterized by a linear system size rescaling. The first temporal eigen microstates reveal scaling relations in both models. Furthermore, by finite-size scaling analysis of the first eigen microstates, we numerically estimate critical exponents, i.e., √σ0w1/ṽ1∝LD and ṽ1∝LD (1-τs)/2. Our findings could provide profound insights into eigen microstates of the universality and phase transition in nonequilibrium complex systems governed by self-organized criticality.

Original languageEnglish
Article number044130
JournalPhysical Review E
Volume109
Issue number4
DOIs
StatePublished - Apr 2024
Externally publishedYes

Bibliographical note

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© 2024 American Physical Society.

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