Artículo
Kovacs-Like Memory Effect in Driven Granular Gases
Autor/es | Prados Montaño, Antonio
Trizac, E. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2014-05-14 |
Fecha de depósito | 2017-07-13 |
Publicado en |
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Resumen | While memory effects have been reported for dense enough disordered systems such as glasses, we show here by a combination of analytical and simulation techniques that they are also intrinsic to the dynamics of dilute ... While memory effects have been reported for dense enough disordered systems such as glasses, we show here by a combination of analytical and simulation techniques that they are also intrinsic to the dynamics of dilute granular gases. By means of a certain driving protocol, we prepare the gas in a state where the granular temperature T coincides with its long time limit. However, T does not subsequently remain constant but exhibits a nonmonotonic evolution before reaching its nonequilibrium steady value. The corresponding so-called Kovacs hump displays a normal behavior for weak dissipation (as observed in molecular systems) but is reversed under strong dissipation, where it, thus, becomes anomalous. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España |
Identificador del proyecto | info:eu-repo/grantAgreement/MINECO/FIS2011-24460 |
Cita | Prados Montaño, A. y Trizac, E. (2014). Kovacs-Like Memory Effect in Driven Granular Gases. Physical Review Letters, 112 (19), 198001-1-198001-5. |
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