中国物理B ›› 2011, Vol. 20 ›› Issue (2): 20401-020401.doi: 10.1088/1674-1056/20/2/020401
魏益焕
Wei Yi-Huan(魏益焕)
摘要: This paper points out that equations (18a) and (18b) in Ref. [7] [Gao Y J 2008 Chin. Phys. B 17 3574] only possess the solutions M=±ργε. So, there does not exist the so-called soliton solution family for the Einstein--Maxwell theory with multiple Abelian gauge fields shown in Ref. [7].
中图分类号: (Exact solutions)