Molecular Dynamics simulations of track formation at different ensembles

被引：0
|
作者：
Moreira, Pedro A. F. P. [1 ]
Guedes, Sandro [1 ]
Saenz, Carlos Tello [2 ]
Hadler, Julio C. [1 ]
机构：
[1] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
[2] Univ Estadual Paulista, Dept Fis Quim & Biol, UNESP, BR-19050900 Presidente Prudente, SP, Brazil
来源：
RADIATION MEASUREMENTS | 2013年 / 48卷
关键词：
Zircon; Molecular Dynamics; Fission track; Annealing; Thermal spike; TEMPERATURE PHANEROZOIC HISTORY; NORTHERN YILGARN CRATON; TECTONOPHYSICS; 400; 2005; FISSION TRACKS; WESTERN-AUSTRALIA; ANNEALING KINETICS; RADIATION-DAMAGE; ET-AL; ZIRCON; MODEL;
D O I：
10.1016/j.radmeas.2012.10.011
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A series of Molecular Dynamics simulations of thermal spikes has been run in zircon. For two different ensembles: microcanonical one and a combination of microcanonical one acting on the simulation core with Langevin one on the side walls of simulation. Depending on the used ensemble, different track-formation threshold energies were found. When the combined ensemble is carried out, the total energy of the simulations varies with the temperature which can influence how annealing fission-track models should deal with the lattice recovery. A fission-track annealing model is tested with the simulation results. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：68 / 72
页数：5
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