摘要
A set of exact(3+1)-dimensional cylindrically symmetric 2-soliton solutions with three arbitrary functions to the Einstein gravitational field equation is found.Their physical properties,such as nontriviality,propagation and positive definiteness of energy density,are discussed.
作者
AU Chi
TANG Meng-xi
区智;唐孟希(Department of Applied Mathemetics,Hong Kong Polytechnic University,Hong Kong;Department of Physics,Zhongshan University,Guangzhou 510275)
基金
Supported by the National Natural Science Foundation of China under Grant No.19575014
by the Hong Kong Polytechnic University.