%0 Journal Article
%T Unified symmetry of Vacco dynamical systems
%A Li Yuan-Cheng
%A Jing Hong-Xing
%A Xia Li-Li
%A Wang Jing
%A Hou Qi-Bao
%A <br>李元成
%A 荆宏星
%A 夏丽莉
%A 王 静
%A 后其宝
%J 中国物理 B
%D 2007
%I 
%X Based on the total time derivative along the trajectory of the time, we study the unified symmetry of Vacco dynamical systems. The definition and the criterion of the unified symmetry for the system are given. Three kinds of conserved quantities, i.e. the Noether conserved quantity, the generalized Hojman conserved quantity and the Mei conserved quantity, are deduced from the unified symmetry. An example is presented to illustrate the results.
%K Vacco dynamical system
%K unified symmetry
%K conserved quantity<br>Vacco动力学系统
%K 对称性
%K 保存量
%K 物理学
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=CD8D6A6897B9334F09D8D1648C376FB4&aid=51EC29F0F1FE4796F471D4335894731D&yid=A732AF04DDA03BB3&vid=7801E6FC5AE9020C&iid=5D311CA918CA9A03&sid=652823AEB83E4347&eid=835C863860D9932E&journal_id=1009-1963&journal_name=中国物理&referenced_num=0&reference_num=33