书籍 Theoretical Physics in a Coconutshell 作者：Trivial137 发布于 2026-07-21T09:38:41Z · 公开内容更新于 2026-07-21T09:38:41Z Trivial137 书籍信息 作者Trivial137 目录Basic IntroductionFoundations of Quantum MechanicsRelativistic Energy-Momentum RelationDirac EquationSome Notations in Quantum Field TheoryChiral RepresentationDirac Representation (Standard Representation)MetricFour-Dimensional CoordinatesNatural UnitsStarting from ElectromagnetismLagrangian DensityNoether's TheoremExample 1: Time translation symmetry → Energy conservationExample 2: Spatial translation symmetry → Momentum conservationExample 3: U(1) gauge symmetry → Charge conservationExercise 1.7.1Exercise 1.8.1Path Integral and Feynman DiagramsPlane Wave Expansion of Scalar FieldsDerivation of Feynman Propagator and Green's FunctionExercise 2.2.1Derivation of Feynman Propagator for Spinor/Vector/Scalar FieldsFeynman Propagator for Vector FieldFeynman Diagrams and Scattering AmplitudesFeynman DiagramsWick's Theorem4 TheoryFeynman RulesExercise 2.3.1Feynman Path IntegralScattering TheoryBasic ConceptsRelevant FormulasFeynman Rules in QEDSpinFeynman RulesInteractions in Quantum ElectrodynamicsLagrangian Density of QEDe+e-+- Process 进入阅读 相关 Tagqft