为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Monopoles and vortices are well known magnetically charged soliton solutions of gauge field equations. Extending the ide......

Dyons are an important family of topological solitons carrying both electric and magnetic charges and the presence of a ......