dorsal/arxiv
View SchemaComparison of dynamical multifragmentation models
| Authors | J. Rizzo, M. Colonna, A. Ono |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0609053 |
| URL | https://arxiv.org/abs/nucl-th/0609053 |
| DOI | 10.1103/PhysRevC.76.024611 |
| Journal | Phys.Rev.C76:024611,2007 |
Abstract
Multifragmentation scenarios, as predicted by antisymmetrized molecular dynamics (AMD) or momentum-dependent stochastic mean-field (BGBD) calculations are compared. While in the BGBD case fragment emission is clearly linked to the spinodal decomposition mechanism, i.e. to mean-field instabilities, in AMD many-body correlations have a stronger impact on the fragmentation dynamics and clusters start to appear at earlier times. As a consequence, fragments are formed on shorter time scales in AMD, on about equal footing of light particle pre-equilibrium emission. Conversely, in BGBD pre-equilibrium and fragment emissions happen on different time scales and are related to different mechanisms.
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"abstract": "Multifragmentation scenarios, as predicted by antisymmetrized molecular\ndynamics (AMD) or momentum-dependent stochastic mean-field (BGBD) calculations\nare compared. While in the BGBD case fragment emission is clearly linked to the\nspinodal decomposition mechanism, i.e. to mean-field instabilities, in AMD\nmany-body correlations have a stronger impact on the fragmentation dynamics and\nclusters start to appear at earlier times. As a consequence, fragments are\nformed on shorter time scales in AMD, on about equal footing of light particle\npre-equilibrium emission. Conversely, in BGBD pre-equilibrium and fragment\nemissions happen on different time scales and are related to different\nmechanisms.",
"arxiv_id": "nucl-th/0609053",
"authors": [
"J. Rizzo",
"M. Colonna",
"A. Ono"
],
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"nucl-th"
],
"doi": "10.1103/PhysRevC.76.024611",
"journal_ref": "Phys.Rev.C76:024611,2007",
"title": "Comparison of dynamical multifragmentation models",
"url": "https://arxiv.org/abs/nucl-th/0609053"
},
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