Particle velocity controls phase transitions in contagion dynamics

Abstract Interactions often require the proximity between particles. The movement of particles, thus, drives the change of the neighbors which are located in their proximity, leading to a sequence of interactions. In pathogenic contagion, infections occur through proximal interactions, but at the sa...

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Autores principales:	Jorge P. Rodríguez, Fakhteh Ghanbarnejad, Víctor M. Eguíluz
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b63026c6a0b54feba5b206abaa88f1ae
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spelling	oai:doaj.org-article:b63026c6a0b54feba5b206abaa88f1ae2021-12-02T15:09:54ZParticle velocity controls phase transitions in contagion dynamics10.1038/s41598-019-42871-x2045-2322https://doaj.org/article/b63026c6a0b54feba5b206abaa88f1ae2019-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-42871-xhttps://doaj.org/toc/2045-2322Abstract Interactions often require the proximity between particles. The movement of particles, thus, drives the change of the neighbors which are located in their proximity, leading to a sequence of interactions. In pathogenic contagion, infections occur through proximal interactions, but at the same time, the movement facilitates the co-location of different strains. We analyze how the particle velocity impacts on the phase transitions on the contagion process of both a single infection and two cooperative infections. First, we identify an optimal velocity (close to half of the interaction range normalized by the recovery time) associated with the largest epidemic threshold, such that decreasing the velocity below the optimal value leads to larger outbreaks. Second, in the cooperative case, the system displays a continuous transition for low velocities, which becomes discontinuous for velocities of the order of three times the optimal velocity. Finally, we describe these characteristic regimes and explain the mechanisms driving the dynamics.Jorge P. RodríguezFakhteh GhanbarnejadVíctor M. EguíluzNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jorge P. Rodríguez Fakhteh Ghanbarnejad Víctor M. Eguíluz Particle velocity controls phase transitions in contagion dynamics
description	Abstract Interactions often require the proximity between particles. The movement of particles, thus, drives the change of the neighbors which are located in their proximity, leading to a sequence of interactions. In pathogenic contagion, infections occur through proximal interactions, but at the same time, the movement facilitates the co-location of different strains. We analyze how the particle velocity impacts on the phase transitions on the contagion process of both a single infection and two cooperative infections. First, we identify an optimal velocity (close to half of the interaction range normalized by the recovery time) associated with the largest epidemic threshold, such that decreasing the velocity below the optimal value leads to larger outbreaks. Second, in the cooperative case, the system displays a continuous transition for low velocities, which becomes discontinuous for velocities of the order of three times the optimal velocity. Finally, we describe these characteristic regimes and explain the mechanisms driving the dynamics.
format	article
author	Jorge P. Rodríguez Fakhteh Ghanbarnejad Víctor M. Eguíluz
author_facet	Jorge P. Rodríguez Fakhteh Ghanbarnejad Víctor M. Eguíluz
author_sort	Jorge P. Rodríguez
title	Particle velocity controls phase transitions in contagion dynamics
title_short	Particle velocity controls phase transitions in contagion dynamics
title_full	Particle velocity controls phase transitions in contagion dynamics
title_fullStr	Particle velocity controls phase transitions in contagion dynamics
title_full_unstemmed	Particle velocity controls phase transitions in contagion dynamics
title_sort	particle velocity controls phase transitions in contagion dynamics
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/b63026c6a0b54feba5b206abaa88f1ae
work_keys_str_mv	AT jorgeprodriguez particlevelocitycontrolsphasetransitionsincontagiondynamics AT fakhtehghanbarnejad particlevelocitycontrolsphasetransitionsincontagiondynamics AT victormeguiluz particlevelocitycontrolsphasetransitionsincontagiondynamics
_version_	1718387774445322240

Particle velocity controls phase transitions in contagion dynamics

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