Variational Method¶for Stable Polytropic Galaxies
Variational Method¶for Stable Polytropic Galaxies
复制标题
稳定多变星系的变分法¶
DOI:
10.1007/s002050050187
复制
发表时间:
1999
影响因子:
2.5
通讯作者:
Yan Guo
中科院分区:
文献类型:
--
作者:
Yan Guo
Abstract:It is shown that polytropic galaxies which obey the generalized Emden-Fowler law are minimizers of appropriate Energy-Casimir functionals. They are dynamically stable under spherically symmetric perturbations.