国科大研究生课程：量子场论
graduate course, 国科大物理学院, 2020
国科大2020年秋季学期物理学院《量子场论（1）（理论物理方向）》研究生课程
时间地点
每周五（1-3）节次，上午8:30开始，地点：雁栖湖校区 教1-306
助教：
陈一帆，yifan.chen@itp.ac.cn
参考书：
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Michael E. Peskin and David V. Schroeder, An Introduction to Quantum Field Theory (教科书，作业布置)
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Matthew D. Schwartz, Quantum Field Theory and the Standard Model
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Steven Weinberg, Quantum theory of fields I: foundation
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A. Zee, Quantum field theory in a nutshell
课程进度：
2020-09-18
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Introduction
- Why and what is quantum field theory?
- Natural unit and conversion
- Lorentz invariance and Lorentz tensor
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Classical field theory
- Lagrangian and Hamiltonian
- Scalar field
- Neother theorem
- Energy momentum tensor
- Internal symmetry
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Canonical quantization: scalar field
- Schrodinger and Heisenberg picture
- Field commute relations
- Oscillator and annihilation operators
- Mode decomposition for scalar field
- Vacuum and Eigenstates
这次课没有布置作业，但是有课堂练习，并且请补充完整略去的推导过程