量子多体理论的某些进展&在艰辛而诱人的基础研究道路上
Some Advances in Quantum Many body Theories & A Tough and Charming Way to Fundamental Research
又根据量子多体理论,计算了准粒子的激发谱、寿命和有效质量。
We also present theexpressions for the excitation spectrum , lifetime , and effective mass of quasi-particles .