"We did them from first principles, from a basic understanding of quantum mechanics and atoms, without putting any experimental inputs to adjust the calculations," Safronova said.
“我们从最初原则计算，从量子力学和原子的基本认识处罚，没有任何实验输入调整计算结果，”Safronova说。
The first-principles calculations were widely used in many different fields of materials science.
第一性原理计算方法已被广泛应用于材料科学的各个领域。
However, the first principles computation of excited states is more complexity than ground-state calculations.
然而，体系激发态的第一性原理理论及其计算要比基态的理论计算复杂得多。
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