Complex Networks and Interacting Particle Systems

Noam Abadi*, Franco Ruzzenenti

*Corresponding author voor dit werk

OnderzoeksoutputAcademicpeer review

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Samenvatting

Complex networks is a growing discipline aimed at understanding large interacting systems. One of its goals is to establish a relation between the interactions of a system and the networks structure that emerges. Taking a Lennard-Jones particle system as an example, we show that when interactions are governed by a potential, the notion of structure given by the physical arrangement of the interacting particles can be interpreted as a binary approximation to the interaction potential. This approximation simplifies the calculation of the partition function of the system and allows to study the stability of the interaction structure. We compare simulated results with those from the approximated partition function and show how the network and system perspective complement each other. With this, we draw a direct connection between the interactions of a molecular system and the network structure it forms and assess the degree to which it describes the system. We conclude by discussing the advantages and limitations of this method for weighted networks, as well as how this concept might be extended to more general systems.

Originele taal-2English
Artikelnummer1490
Aantal pagina's17
TijdschriftEntropy
Volume25
Nummer van het tijdschrift11
DOI's
StatusPublished - nov.-2023

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