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PHYSICS 230B · PHYS 230BQuantum Field Theory

Physics · 6 units · Graduate courses (200-299)

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Perturbative methods for quantization of interacting quantum field theories. Topics include functional methods in scalar field theory, perturbation theory for scalar field theory, Feynman rules, UV regularization and renormalization, perturbation theory for quantum electro-dynamics (QED), Ward identities, renormalization of QED, and anomalies in QED.

S/U or letter grading.

When it runs

  • Fall 2025
  • Fall 2026

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Requisites

Official UCLA wording

Requisite: course 230A.

BruinTree reads · Prerequisite

confidence 1.00 · from text
PHYSICS 230A

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About PHYSICS 230B. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

PHYSICS 230B

  • PHYSICS 230AQuantum Field Theory
    • PHYSICS 221CQuantum Mechanics
      • PHYSICS 221AQuantum Mechanics
      • PHYSICS 221BQuantum Mechanics

1 direct requisite. The whole upstream is here — 4 courses over 3 levels. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

PHYSICS 230B

  • PHYSICS 226AElementary Particle Physics
    • PHYSICS 226DBeyond the Standard Modelanother path to it
    • PHYSICS 291Research Tutorial: Elementary Particle Theoryanother path to it
  • PHYSICS 226BElementary Particle Physics
    • PHYSICS 226DBeyond the Standard Modelanother path to it
  • PHYSICS 226CElementary Particle Physics
    • PHYSICS 226DBeyond the Standard Modelanother path to it
  • PHYSICS 226DBeyond the Standard Model
  • PHYSICS 230CQuantum Field Theory
    • PHYSICS 226DBeyond the Standard Modelanother path to it
  • PHYSICS 291Research Tutorial: Elementary Particle Theory

6 courses list this as a requisite. The whole downstream is here — 11 courses over 2 levels. Every course here opens its own tree.