Extended Gibbs ensembles with flow
A recently proposed statistical treatment of finite unbound systems in the presence of collective motions is applied to a classical Lennard-Jones system, numerically simulated through molecular dynamics. In the ideal gas limit, the flow dynamics can be exactly recast into effective time-dependent La...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_15393755_v76_n5_p_Ison |
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todo:paper_15393755_v76_n5_p_Ison2023-10-03T16:22:16Z Extended Gibbs ensembles with flow Ison, M.J. Gulminelli, F. Dorso, C.O. Energy conservation Gibbs free energy Parameter estimation Lagrange parameters Lennard Jones system Microstate distribution Sizable effects Molecular dynamics A recently proposed statistical treatment of finite unbound systems in the presence of collective motions is applied to a classical Lennard-Jones system, numerically simulated through molecular dynamics. In the ideal gas limit, the flow dynamics can be exactly recast into effective time-dependent Lagrange parameters acting on a standard Gibbs ensemble with an extra total energy conservation constraint. Using this same ansatz for the low-density freeze-out configurations of an interacting expanding system, we show that the presence of flow can have a sizable effect on the microstate distribution. © 2007 The American Physical Society. Fil:Ison, M.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Dorso, C.O. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_15393755_v76_n5_p_Ison |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Energy conservation Gibbs free energy Parameter estimation Lagrange parameters Lennard Jones system Microstate distribution Sizable effects Molecular dynamics |
| spellingShingle |
Energy conservation Gibbs free energy Parameter estimation Lagrange parameters Lennard Jones system Microstate distribution Sizable effects Molecular dynamics Ison, M.J. Gulminelli, F. Dorso, C.O. Extended Gibbs ensembles with flow |
| topic_facet |
Energy conservation Gibbs free energy Parameter estimation Lagrange parameters Lennard Jones system Microstate distribution Sizable effects Molecular dynamics |
| description |
A recently proposed statistical treatment of finite unbound systems in the presence of collective motions is applied to a classical Lennard-Jones system, numerically simulated through molecular dynamics. In the ideal gas limit, the flow dynamics can be exactly recast into effective time-dependent Lagrange parameters acting on a standard Gibbs ensemble with an extra total energy conservation constraint. Using this same ansatz for the low-density freeze-out configurations of an interacting expanding system, we show that the presence of flow can have a sizable effect on the microstate distribution. © 2007 The American Physical Society. |
| format |
JOUR |
| author |
Ison, M.J. Gulminelli, F. Dorso, C.O. |
| author_facet |
Ison, M.J. Gulminelli, F. Dorso, C.O. |
| author_sort |
Ison, M.J. |
| title |
Extended Gibbs ensembles with flow |
| title_short |
Extended Gibbs ensembles with flow |
| title_full |
Extended Gibbs ensembles with flow |
| title_fullStr |
Extended Gibbs ensembles with flow |
| title_full_unstemmed |
Extended Gibbs ensembles with flow |
| title_sort |
extended gibbs ensembles with flow |
| url |
http://hdl.handle.net/20.500.12110/paper_15393755_v76_n5_p_Ison |
| work_keys_str_mv |
AT isonmj extendedgibbsensembleswithflow AT gulminellif extendedgibbsensembleswithflow AT dorsoco extendedgibbsensembleswithflow |
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1807323013344919552 |