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Scaling and universality of critical fluctuations in granular gases

 

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Opened Access Scaling and universality of critical fluctuations in granular gases
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Author: Brey Abalo, José Javier
García de Soria Lucena, María Isabel
Maynar Blanco, Pablo
Ruiz Montero, María José
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2005-03-11
Published in: Physical Review Letters, 94 (9), 098001-1-098001-4.
Document type: Article
Abstract: The total energy fluctuations of a low-density granular gas in the homogeneous cooling state near the threshold of the clustering instability are studied by means of molecular dynamics simulations. The relative dispersion of the fluctuations is shown to exhibit a power-law divergent behavior. Moreover, the probability distribution of the fluctuations presents data collapse as the system approaches the instability, for different values of the inelasticity. The function describing the collapse turns out to be the symmetric of the one found in several molecular equilibrium and nonequilibrium systems.
Cite: Brey Abalo, J.J., García de Soria Lucena, M.I., Maynar Blanco, P. y Ruiz Montero, M.J. (2005). Scaling and universality of critical fluctuations in granular gases. Physical Review Letters, 94 (9), 098001-1-098001-4.
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URI: http://hdl.handle.net/11441/62626

DOI: 10.1103/PhysRevLett.94.098001

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