Video Lectures (21)

A complete 21-lecture series on Quantum Field Theory I β€” covering canonical quantization, free and interacting fields, Feynman diagrams, scattering amplitudes, and the foundations of the Standard Model.

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Lecture 13

Lecture 14

Path Integrals β€” Video Lecture Series

A 23-lecture series covering the path integral formulation of QFT.

Full Playlist (23 lectures)

Key Lectures

What is a path integral in QFT?

Derivation of the Path Integral in QFT

From Path Integrals to Perturbation Theory to Feynman Diagrams

Quantum Harmonic Oscillator with Path Integrals

From the path integral to the effective action and renormalization

About This Series

These 21 lectures provide a rigorous introduction to Quantum Field Theory, the theoretical framework underlying particle physics and the Standard Model.

All content is publicly available on YouTube. Lectures are presented in their original sequential order.

Quantum Chromodynamics from the Ground Up (8 lectures)

Gauge fields, covariant derivatives, gauge fixing, ghosts, Chern–Simons theory, topological terms, and theta vacua.

QCD from the Ground Up

Episode 1

What Makes Something a Gauge Field?

Episode 2

A Matrix Theory for Quarks

Episode 4

Chern-Simons, Topological Field Theory & Gauge Theory

Episode 7

QFT Made Easier (22 lectures)

Klein–Gordon field, quantisation, particle counting, generating functionals, spinors, Wick rotation, coherent states, and singularities.

Starting with the Klein-Gordon Field

Episode 1

The Energy of a Quantum Field

Episode 7

How to Count Particles on Quantum Fields

Episode 9

On the Road to Spinors!

Episode 13

Spinors for Quantum Field Theory

Episode 16

What is Wick Rotation and Why is it Profound?

Episode 16b

Quantum Field Theory 1 β€” Full Course (15+ lectures)

Basics, introducing fields, interactions, and calculating: a complete QFT 1 lecture course.

QFT 1 β€” Basics 1

Lecture 1

Introducing Fields 1

Lecture 4

Interactions 1

Lecture 8

Calculating 1

Lecture 12

Quantum Field Theory 2 β€” Full Course (15+ lectures)

Extensions, gauge theory, and effective field theory: the complete QFT 2 sequel.

QFT 2 β€” Extension 1

Lecture 1

Gauge Theory 1

Lecture 6

Effective Field Theory 1

Lecture 11

Lattice QCD Lectures

Introduction to Lattice QCD (Michael Creutz) and Nonzero Temperature & Density QCD (Francesca Cuteri).

Intro to Lattice QCD β€” Lecture I

Michael Creutz

Nonzero T & Density QCD β€” Lecture 1a

Francesca Cuteri

Nonzero T & Density QCD β€” Lecture 3a

Francesca Cuteri

Nuclear & Particle Physics Seminars

Heavy-quark exotics, QCD matter, neutrinos, inertial fusion, and physics beyond the Standard Model.

Hadron Renaissance: Heavy-Quark Exotics

Seminar

How Ignition Was Achieved in Inertial Fusion

Seminar

Physics Beyond the SM at Low Energies

Seminar

Additional Lectures

Mapping the Structure of Hadrons with Lattice QCD

The Forgotten Geometry: A New Path to Unification

Michael Peskin: Standard Model & Collider Physics

SLAC lectures covering the Standard Model and collider phenomenology.

Electroweak Symmetry Breaking, Higgs & Ξ›CDM Cosmology

Grojean (DESY): SM & Higgs mechanism. Bartelmann (Heidelberg): Ξ›CDM and early-universe cosmology.