The theory and method is the basis of researching and studying quantum mechanics and relativistic mechanics.
分析力学的理论和方法是研究和学习量子力学、相对论力学的基础。
2
Applying the theory of relativisticquantum field, the paper puts forward an approximate method to calculate electronic energy band with relativistic Green Function.
运用相对论量子场理论，提出了一个相对论格林函数计算能带的近似方法。
3
A relativistic quark model based on the quasipotential approach in quantum field theory is briefly introduced, and by using this model, heavy quarkonium mass spectra are calculated in detail.