Solving the Greens functions of electromagnetic potential equations in moving medium, the retarded potentials in unlimited space are obtained.
求解了运动媒质中电磁势方程的格林函数，给出了无界空间的推迟势。
Although the description of the system involves the electromagnetic potential, the physical properties only depend on the electric and magnetic field-strength.
结果表明，虽然对体系的描述涉及到电磁势，但体系的物理性质只依赖于电场和磁场的强度；
Time--harmonic wave equations of electromagnetic potential in chiral media are given, the dyadic Greens function is solved by using dyadic algebraic method, then.
给出手征媒质中电磁势满足的时谐波动方程，运用并矢代数方法求解了电磁势的并矢格林函数，以偶极振子为例研究了手征媒质中的远区辐射场性质。
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