QUANTUM FIELD THEORY I

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UNIT 4: Path integrals

TABLE OF CONTENTS

  1. Definition
  2. Example: the Klein-Gordon field
  3. Semi-classical expansion
  4. Feynman rules
  5. Derivative interactions
  6. Fermionic path integrals
  7. The effective action
  8. Ward identities

REFERENCES

  1. Peskin, Chapter 9.
  2. Ramond, Chapters II, III, V.
  3. Weinberg, Chapter 9.
  4. Itzykson and Zuber, Sections 9-1,2.

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