Temperature and energy partition in fragmentation

Mostrar todas las versiones(2)

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...

Descripción completa

Detalles Bibliográficos
Autores principales: Strachan, Alejandro Hernán, Dorso, Claudio Oscar
Publicado: 1999
Acceso en línea: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
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_05562813_v59_n1_p285_Strachan
record_format dspace
spelling 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

Ejemplares similares