Nonextensive Supercluster States in Aggregation with Fragmentation

Nikolai V. Brilliantov, Wendy Otieno, P. L. Krapivsky

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1 Citation (Scopus)

Abstract

Systems evolving through aggregation and fragmentation may possess an intriguing supercluster state (SCS). Clusters constituting this state are mostly very large, so the SCS resembles a gelling state, but the formation of the SCS is controlled by fluctuations and in this aspect, it is similar to a critical state. The SCS is nonextensive, that is, the number of clusters varies sublinearly with the system size. In the parameter space, the SCS separates equilibrium and jamming (extensive) states. The conventional methods, such as, e.g., the van Kampen expansion, fail to describe the SCS. To characterize the SCS we propose a scaling approach with a set of critical exponents. Our theoretical findings are in good agreement with numerical results.

Original languageEnglish
Article numberA40
JournalPhysical Review Letters
Volume127
Issue number25
DOIs
Publication statusPublished - 17 Dec 2021

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