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文献详情 >Core Collapse via Coarse Dynam... 收藏

Core Collapse via Coarse Dynamic Renormalization

作     者:Andras Szell David Merritt Ioannis G. Kevrekidis 

作者机构:Department of Chemical Engineering and Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544 USA 

出 版 物:《Physical Review Letters》 (Phys Rev Lett)

年 卷 期:2005年第95卷第8期

页      面:081102-081102页

核心收录:

学科分类:07[理学] 0702[理学-物理学] 

基  金:National Science Foundation, NSF, (0420920, 0437519, 0205484) National Science Foundation, NSF 

主  题:Large scale systems 

摘      要:In the context of the recently developed “equation-free approach to computer-assisted analysis of complex systems, we extract the self-similar solution describing core collapse of a stellar system from numerical experiments. The technique allows us to sidestep the core “bounce that occurs in direct N-body simulations due to the small-N correlations that develop in the late stages of collapse, and hence to follow the evolution well into the self-similar regime.

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