Applications of group theory to calculations of photonic band gap;
群论在光子带隙计算中的应用
Discussion of an electric image problem using group theory;
用群论讨论一道电象法题目
Applying both the crystalline field theory and the group theory, this paper has systematically and theoretically explained the splitting of the energy levels of the transitional metal ions in various gemstones under different crystalization environments.
从晶体场理论或配位场理论出发 ,应用群论的方法 ,从理论上系统地解释了宝石中常见的因过渡金属离子在不同的配位场环境下而引起的能级分裂 ,并详细地阐述了这一理论分析的程序 ,最后列举实例并给予了理论解释。
Derivation,realization and application of multi-port basic unity element with group;
多端口基本单元元件群论导出、实现与应用