Temperature and energy partition in fragmentation
We study fragmentation of small atomistic clusters via molecular dynamics. We calculate the time scales related to fragment formation and emission. We also show that some degree of thermalization is achieved during the expansion process, which allows the determination of local temperature. In this w...
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paper:paper_05562813_v59_n1_p285_Strachan2023-06-08T15:41:45Z Temperature and energy partition in fragmentation Strachan, Alejandro Hernán Dorso, Claudio Oscar We study fragmentation of small atomistic clusters via molecular dynamics. We calculate the time scales related to fragment formation and emission. We also show that some degree of thermalization is achieved during the expansion process, which allows the determination of local temperature. In this way we can calculate the breakup temperature as a function of excitation energy, i.e., the fragmentation caloric curve. Fragmentation appears as a rather constant temperature region of the caloric curve. Furthermore, we show that different definitions of temperature, related to different degrees of freedom, yield very similar values. © 1999 The American Physical Society. Fil:Strachan, A. 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. 1999 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v59_n1_p285_Strachan http://hdl.handle.net/20.500.12110/paper_05562813_v59_n1_p285_Strachan |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
description |
We study fragmentation of small atomistic clusters via molecular dynamics. We calculate the time scales related to fragment formation and emission. We also show that some degree of thermalization is achieved during the expansion process, which allows the determination of local temperature. In this way we can calculate the breakup temperature as a function of excitation energy, i.e., the fragmentation caloric curve. Fragmentation appears as a rather constant temperature region of the caloric curve. Furthermore, we show that different definitions of temperature, related to different degrees of freedom, yield very similar values. © 1999 The American Physical Society. |
author |
Strachan, Alejandro Hernán Dorso, Claudio Oscar |
spellingShingle |
Strachan, Alejandro Hernán Dorso, Claudio Oscar Temperature and energy partition in fragmentation |
author_facet |
Strachan, Alejandro Hernán Dorso, Claudio Oscar |
author_sort |
Strachan, Alejandro Hernán |
title |
Temperature and energy partition in fragmentation |
title_short |
Temperature and energy partition in fragmentation |
title_full |
Temperature and energy partition in fragmentation |
title_fullStr |
Temperature and energy partition in fragmentation |
title_full_unstemmed |
Temperature and energy partition in fragmentation |
title_sort |
temperature and energy partition in fragmentation |
publishDate |
1999 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v59_n1_p285_Strachan http://hdl.handle.net/20.500.12110/paper_05562813_v59_n1_p285_Strachan |
work_keys_str_mv |
AT strachanalejandrohernan temperatureandenergypartitioninfragmentation AT dorsoclaudiooscar temperatureandenergypartitioninfragmentation |
_version_ |
1768546072323424256 |