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Concept

Gauge fixing

Related lectures (28)

QED: Gauge Theories

Covers Quantum Electrodynamics (QED), instantons, Feynman rules, and gauge theories in modern particle physics.

Quantum Field Theory II: Gauge Theories

Explores Quantum Field Theory II, emphasizing Gauge Theories, including QED, fermion masses, vector bosons, and the Higgs mechanism.

Gauge Theories And Modern Particle Physics

Covers gauge theories, modern particle physics, the standard model, and field content.

Quantum Field Theory: Gauge Symmetries

Explores gauge symmetries in quantum field theory, emphasizing invariance under transformations and the role of ghost fields.

Symmetry Breaking: Magnetic Fields in Cosmology

Covers symmetry breaking and its role in generating magnetic fields in cosmology.

EM Field: Quantum Field Theory II

Covers the electromagnetic (EM) field in Quantum Field Theory II, discussing gauge transformations, symmetry principles, and field quantization.

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Gauge Theories: Chiral Transformations and Path Integrals

Covers the gauged Wess-Zumino-Witten model and its applications in conformal field theory.

Holography in Classical Gravity

Covers the concept of holography in classical gravity and its relation to string theory.

Large N Expansion: Vector Models

Explores the Large N expansion in vector models, focusing on matrix models, gauge theories, and the Hooft coupling.

Statistical Field Theory

Covers the basics of statistical field theory, focusing on Ising models and the Ginsburg-Landau theory.

Scattering Structures: From Amplitudes to Black Holes

Explores gauge symmetry, amplitudes, black holes, and fluids, highlighting the interplay between redundancy, diffeomorphisms, and the double copy phenomenon.

Gauge Invariance: Electromagnetic Potentials

Explores gauge invariance, electromagnetic potentials, superfluid velocity, and superconductors' magnetic field expulsion.

Magnetogenesis: Axion Inflation and Gravitational Waves

Covers magnetogenesis in axion inflation and its implications for gravitational waves.

Dynamical Frames in Gravity: Observables, Locality, and Covariance

Explores dynamical frames in gravity, focusing on observables, locality, and covariance.

Fermion Production: Implications for Gauge Fields and Inflation

Covers fermion production in gauge fields during inflation and its implications for cosmic phenomena.

Supersymmetry: Lecture 4

Discusses supersymmetry gauge, superfields, anomalous terms, and flat directions in 4D space.

The Higgs Mechanism

Explores the formal aspects of the Higgs mechanism, covering mass terms, symmetry breaking, and the standard model Higgs boson.

Interaction with External Electromagnetic Field

Explores classical and quantum physics concepts related to the interaction with an external electromagnetic field.

Charged Particle in Magnetic Field: Landau Levels

Explores charged particles in a magnetic field, focusing on Landau levels and gauge transformations.