Quantum Field Theory 2

The lectures can be accessed through previous recordings in Panopto through the links below.

Here are the lectures and their content 

Lecture 01 - QFT2_- S_King_27_01_20 (Non-relativistic QM; Heisenberg picture; Feynman’s path integral for QM; functional integrals)

Lecture 02 - *QFT2_S_King_29_01_20 (Path Integral for free particle in 1d with Gaussian integration; Path Integral for Harmonic Oscillator)

[*Note that this  lecture was not recorded due to technical problems but the lecture notes are available on the link at the bottom of the page]

Lecture 03 - QFT2_S_King_31_01_20 (Path Integral for Driven Harmonic Oscillator; more general case in QM; vacuum-vacuum transition amplitude Z[J])

Lecture 04 - QFT2_S_King_03_02_20 (Generalisation of path integrals to scalar fields; generating functional Z[J]; evaluating generating functional for free Klein-Gordon field; scalar Feynman propagator)

Lecture 05 - QFT2_S_King_07_02_20 (Green functions for free and interacting scalar field theory)

Lecture 06 - QFT2_S_King_10_02_20 (Interacting scalar field theory and generating functional W[J]; problem sheet 2)

Lecture 07 - QFT2_S_King_12_02_20 (LSZ formula and momentum space Green functions)

Lecture 08 - QFT2_S_King_14_02_20 (LSZ and S-matrix for 2->2 scalar particle scattering in momentum space; connected and amputated diagrams)

Lecture 09 - QFT2_S_King_17_02_20 (Feynman Rules for phi^4 scalar field theory; Free Dirac Field)

Lecture 10 - QFT2_S_King_19_02_20 (Generating functional for Dirac fermions; Grassmann numbers)

Lecture 11 - QFT2_S_King_21_02_20 (Grassmann numbers cont’d; evaluating generating functional for free Dirac field; fermion Feynman propagator)

Lecture 12 - QFT2_S_King_24_02_20 (Global U(1) symmetry of Dirac Lagrangian; U(1) gauge invariance; Maxwell field and QED)

Lecture 13 - QFT2_S_King_26_02_20 (Evaluating generating functional for free Maxwell field; photon Feynman propagator; gauge fixing; Feynman rules for QED)

The pdf lecture notes, course materials and problem sheets can be found in this QFT2 folder