Signals of critical behavior in fragmenting finite systems

By studying the disassembly of excited drops within the framework of the classical molecular dynamics (CMD) model, a critical review of observables which can give a signature of a critical behavior is performed. In particular we look at the normalized variance of the mass of the largest fragment (NV...

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Publicado: 1999
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n3_p9_Dorso
http://hdl.handle.net/20.500.12110/paper_05562813_v60_n3_p9_Dorso
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_05562813_v60_n3_p9_Dorso
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spelling paper:paper_05562813_v60_n3_p9_Dorso2023-06-08T15:41:47Z Signals of critical behavior in fragmenting finite systems By studying the disassembly of excited drops within the framework of the classical molecular dynamics (CMD) model, a critical review of observables which can give a signature of a critical behavior is performed. In particular we look at the normalized variance of the mass of the largest fragment (NVM) and to the intermittency signal (IS). It is found the NVM displays a maximum in the critical region for CMD and percolation models, while it is not triggered in “noncritical” data like the one resulting from the random partition model. On the other hand, the IS displays a maximum when events with a big fragment are mixed with events composed mainly of small clusters. © 1999 The American Physical Society. 1999 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n3_p9_Dorso http://hdl.handle.net/20.500.12110/paper_05562813_v60_n3_p9_Dorso
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description By studying the disassembly of excited drops within the framework of the classical molecular dynamics (CMD) model, a critical review of observables which can give a signature of a critical behavior is performed. In particular we look at the normalized variance of the mass of the largest fragment (NVM) and to the intermittency signal (IS). It is found the NVM displays a maximum in the critical region for CMD and percolation models, while it is not triggered in “noncritical” data like the one resulting from the random partition model. On the other hand, the IS displays a maximum when events with a big fragment are mixed with events composed mainly of small clusters. © 1999 The American Physical Society.
title Signals of critical behavior in fragmenting finite systems
spellingShingle Signals of critical behavior in fragmenting finite systems
title_short Signals of critical behavior in fragmenting finite systems
title_full Signals of critical behavior in fragmenting finite systems
title_fullStr Signals of critical behavior in fragmenting finite systems
title_full_unstemmed Signals of critical behavior in fragmenting finite systems
title_sort signals of critical behavior in fragmenting finite systems
publishDate 1999
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n3_p9_Dorso
http://hdl.handle.net/20.500.12110/paper_05562813_v60_n3_p9_Dorso
_version_ 1768541992293236736

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