Correlation function (quantum field theory)

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Physics
Quantum field theory
Topics in quantum field theory

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Related lectures (8)

Explores the quantum effective action, its role in perturbation theory, and the organization of correlators in momentum space.

Euclidean Correlation Functions

Explores Euclidean correlation functions and the transition to real time using Wick rotation, along with a discussion on good and bad habits.

Understanding Vacuum Energy in Inflation

Explores vacuum energy during inflation and the dynamics of scalar and vector fields, emphasizing the importance of seeking clarification and providing details about upcoming exams.

Euclidean Wormholes and Holography

Explores Euclidean wormholes, holography, scalar correlators, and toy QFT models.

Euclidean Correlation Functions

Covers the transition from Euclidean to real time by analytic continuation.

Perturbation Theory in Path Integral Formalism

Explores perturbation theory in path integrals and the semi-classical approximation for solving non-exactly soluble systems.

Functional Methods: Path Integral with a Source

Explores functional methods in quantum field theory, coupling systems to external sources and introducing the path integral with source.

Renormalization: AQFT

Covers the concept of renormalization in Algebraic Quantum Field Theory.

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