Physics 4Q03 (Introduction to QFT)

Physics 4Q03 (Introduction to QFT)

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This channel contains videos of lectures (and any other materials) for the course Physics 4Q03, an Introduction to Quantum Field Theory.

Check out the course web-page (here) for more information about syllabus, procedures, term projects, marking schemes and lecture notes.

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Final Tutorial 1 of 24

duration 1 hour 18 minutes

Final Tutorial

Final Tutorial

Final Tutorial

Final Tutorial

Physics 4Q03 Tutorial Weds April 14: This is the final tutorial spent taking up part of the midterm and answering questions. Good luck with your exams!

From Clifford Burgess

97 plays 0
28_Klein-Gordon Field and Lagrangians 2 of 24

duration 1 hour 19 minutes

28_Klein-Gordon Field and Lagrangians

28_Klein-Gordon Field and Lagrangians

28_Klein-Gordon Field and Lagrangians

28_Klein-Gordon Field and Lagrangians

Physics 4Q03 Lecture 28: This lecture applies the framework of relativistic quantum fields to the simplest case of a spinless particle and constructs the Klein Gordon…

From Clifford Burgess

105 plays 0
27-Microcausality 3 of 24

duration 1 hour 22 minutes

27-Microcausality

27-Microcausality

27-Microcausality

27-Microcausality

Physics 4Q03 Lecture 27: This lecture describes the logic that determines which fields can be used to represent particles of different spins, and describes the…

From Clifford Burgess

93 plays 0
26-Poincare Generators 4 of 24

duration 1 hour 15 minutes

26-Poincare Generators

26-Poincare Generators

26-Poincare Generators

26-Poincare Generators

Physics 4Q03 Lecture 26: This lecture works through how Poincare generators (4-momentum and the angular momentum tensor) transform in quantum relativity. A sketch is…

From Clifford Burgess

76 plays 0
25 Symmetries in QM 5 of 24

duration 1 hour 14 minutes

25 Symmetries in QM

25 Symmetries in QM

25 Symmetries in QM

25 Symmetries in QM

Physics 4Q03 Lecture 25: This lecture finishes the general review of special relativity in terms of 4-vectors and reviews the treatment of symmetry in quantum mechanics.

From Clifford Burgess

64 plays 0
24-Relativity 6 of 24

duration 1 hour 20 minutes

24-Relativity

24-Relativity

24-Relativity

24-Relativity

Physics 4Q03 Lecture 24: This lecture summarizes some aspects of special relativity, including its formulation in terms of the Lorentz group.

From Clifford Burgess

66 plays 0
23-CasimirProb-StartOfRelativity 7 of 24

duration 1 hour 0 minutes

23-CasimirProb-StartOfRelativity

23-CasimirProb-StartOfRelativity

23-CasimirProb-StartOfRelativity

23-CasimirProb-StartOfRelativity

Physics 4Q03 Lecture 23: This lecture starts with a summary of renormalization for Casimir energy in a waveguide, and closes with the start of a summary of Special…

From Clifford Burgess

47 plays 0
22-CoulombInteraction 8 of 24

duration 55 minutes 46 seconds

22-CoulombInteraction

22-CoulombInteraction

22-CoulombInteraction

22-CoulombInteraction

Physics 4Q03 Lecture 22: This lecture recaps the previous ones and completes the interactions of a nonrelativistic charged particle to include the Coulomb interaction.

From Clifford Burgess

53 plays 0
21-EM couplings to charged particles 9 of 24

duration 1 hour 2 minutes

21-EM couplings to charged particles

21-EM couplings to charged particles

21-EM couplings to charged particles

21-EM couplings to charged particles

Physics 4Q03 Lecture 21: This lecture describes how the electromagnetic vector potential (ie photons) couple to nonrelativistic charged particles, constructing the…

From Clifford Burgess

46 plays 0
20-EM Interactions w Polarizable Atoms 10 of 24

duration 55 minutes 27 seconds

20-EM Interactions w Polarizable Atoms

20-EM Interactions w Polarizable Atoms

20-EM Interactions w Polarizable Atoms

20-EM Interactions w Polarizable Atoms

Physics 4Q03 Lecture 20: This lecture describes how to construct interactions between electromagnetic fields and the Schrodinger fields that describe slowly moving…

From Clifford Burgess

40 plays 0
19-Casimir Energy 11 of 24

duration 1 hour 6 minutes

19-Casimir Energy

19-Casimir Energy

19-Casimir Energy

19-Casimir Energy

Physics 4Q03 Lecture 19: This lecture evaluates the Casimir energy for the vacuum fluctuations of a field between two plates on which the field vanishes, showing that it…

From Clifford Burgess

61 plays 0
18-MorePhotonsEM 12 of 24

duration 1 hour 0 minutes

18-MorePhotonsEM

18-MorePhotonsEM

18-MorePhotonsEM

18-MorePhotonsEM

Physics 4Q03 Lecture 18: This lecture continues the previous one on photons in electromagnetism, and provides a sermon about UV and IR divergences and why you can use…

From Clifford Burgess

45 plays 0
17-PhotonsInQED 13 of 24

duration 1 hour 7 minutes

17-PhotonsInQED

17-PhotonsInQED

17-PhotonsInQED

17-PhotonsInQED

Physics 4Q03 Lecture 17: This lecture continues the discussion of quantizing the electromagnetic fields and shows how field energy and momentum can be written in terms…

From Clifford Burgess

74 plays 0
16-MaxwellsEqs 14 of 24

duration 1 hour 2 minutes

16-MaxwellsEqs

16-MaxwellsEqs

16-MaxwellsEqs

16-MaxwellsEqs

Physics 4Q03 Lecture 16: This lecture provides a whirlwind review of Maxwell's equations and their solutions in terms of electromagnetic waves. This allows an…

From Clifford Burgess

87 plays 0
15-Bogliubov 15 of 24

duration 1 hour 7 minutes

15-Bogliubov

15-Bogliubov

15-Bogliubov

15-Bogliubov

Physics 4Q03 Lecture 15: This lecture describes the leading corrections to the classical BEC, using a Bogoliubov transformation to identify the spectrum of quasiparticle…

From Clifford Burgess

71 plays 0
14-Semiclassical BEC 16 of 24

duration 1 hour 3 minutes

14-Semiclassical BEC

14-Semiclassical BEC

14-Semiclassical BEC

14-Semiclassical BEC

Physics 4Q03 Lecture 14: This lecture continues the discussion of Bose Einstein condensation and shows how a semiclassical analysis can allow a calculation of the…

From Clifford Burgess

49 plays 0
12-PositionSpace Interactions 17 of 24

duration 1 hour 31 minutes

12-PositionSpace Interactions

12-PositionSpace Interactions

12-PositionSpace Interactions

12-PositionSpace Interactions

Physics 4Q03 Lecture 12: This lecture summarizes the position space formalism of the previous lecture and introduces simple self-interactions.

From Clifford Burgess

76 plays 0
13-BE Condensation 18 of 24

duration 56 minutes 44 seconds

13-BE Condensation

13-BE Condensation

13-BE Condensation

13-BE Condensation

Physics 4Q03 Lecture 13: This lecture reviews how to set up averages with statistical mechanics, translating the grand canonical ensemble into the language of occupation…

From Clifford Burgess

46 plays 0
QFT-Tut-210222 19 of 24

duration 38 minutes 2 seconds

QFT-Tut-210222

QFT-Tut-210222

QFT-Tut-210222

QFT-Tut-210222

Physics 4Q03 Tutorial Feb 22, 2021

From Clifford Burgess

33 plays 0
QFT-Tut-210211 20 of 24

duration 41 minutes 28 seconds

QFT-Tut-210211

QFT-Tut-210211

QFT-Tut-210211

QFT-Tut-210211

Physics 4Q03 Tutorial Feb 11, 2021

From Clifford Burgess

21 plays 0
QFT-Tut-210210 21 of 24

duration 57 minutes 3 seconds

QFT-Tut-210210

QFT-Tut-210210

QFT-Tut-210210

QFT-Tut-210210

Physics 4Q03 Tutorial Feb 10, 2021

From Clifford Burgess

14 plays 0
QFT-Tut-210208 22 of 24

duration 54 minutes 40 seconds

QFT-Tut-210208

QFT-Tut-210208

QFT-Tut-210208

QFT-Tut-210208

Physics 4Q03 Tutorial Feb 08, 2021

From Clifford Burgess

22 plays 0
11-Locality2ndQuantization 23 of 24

duration 54 minutes 50 seconds

11-Locality2ndQuantization

11-Locality2ndQuantization

11-Locality2ndQuantization

11-Locality2ndQuantization

4Q03 Lecture 11; This lecture argues why the Hamiltonian should arise as a local function in space, and this is used to motivate the definition of position-space fields.…

From Clifford Burgess

74 plays 0
10-FieldEnergyRenorm 24 of 24

duration 1 hour 4 minutes

10-FieldEnergyRenorm

10-FieldEnergyRenorm

10-FieldEnergyRenorm

10-FieldEnergyRenorm

4Q03 Lecture 10: This lecture computes the energy shift of a particle due to its interaction with another, introducing ultraviolet divergences and the concept of…

From Clifford Burgess

89 plays 0

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