# 国科大研究生课程：量子场论

## 参考书：

• Michael E. Peskin and David V. Schroeder, An Introduction to Quantum Field Theory (教科书，作业布置)

• Matthew D. Schwartz, Quantum Field Theory and the Standard Model

• Steven Weinberg, Quantum theory of fields I: foundation

• A. Zee, Quantum field theory in a nutshell

## 课程进度：

### 2020-09-18

• Introduction

• Why and what is quantum field theory?
• Natural unit and conversion
• Lorentz invariance and Lorentz tensor
• Classical field theory

• Lagrangian and Hamiltonian
• Scalar field
• Neother theorem
• Energy momentum tensor
• Internal symmetry
• Canonical quantization: scalar field

• Schrodinger and Heisenberg picture
• Field commute relations
• Oscillator and annihilation operators
• Mode decomposition for scalar field
• Vacuum and Eigenstates