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,propagat...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.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.19575014by the Hong Kong Polytechnic University.
文摘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.
