Quantum Field Theory 1 Week11 (1)
Автор: PH653 Lectures
Загружено: 2025-11-25
Просмотров: 35
This is the recorded lecture of PH653 course, lectured by Professor Sungwoo Hong.
0:00 Start
[Dyson-Wick expansion and Wick's diagram]
8:54 Review
10:55 Note (1): Relation between Dyson-Wick expansion and Wick diagram
14:07 Note (2): Symmetry Factors
19:04 Note (3): Equivalent diagrams and S-matrix
35:59 Disconnected Diagrams(1): Decomposition into connected Diagrams
43:28 Disconnected Diagrams(2): Symmetry factor of disconnected diagrams
52:40 Disconnected Diagrams(3): Example
[Feynmann Diagram and Feynmann Rules ]
57:05 Observation(1): Labels of transition amplitudes
1:02:05 Observation(2): Different diagrams with fixed external legs
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