Covariant Techniques in Quantum Field Theory

This document was uploaded by one of our users. The uploader already confirmed that they had the permission to publish it. If you are author/publisher or own the copyright of this documents, please report to us by using this DMCA report form.

Simply click on the Download Book button.

Yes, Book downloads on Ebookily are 100% Free.

Sometimes the book is free on Amazon As well, so go ahead and hit "Search on Amazon"

Gives a careful exposition of the problems in quantum gravity Provides a useful set of techniques to make QFT computations Clarifies results with detailed calculations

Author(s): Enrique Álvarez; Jesús Anero
Series: SpringerBriefs in Physics
Publisher: Springer
Year: 2022

Language: English
Pages: 93
City: Cham

Preface
Contents
1 Introduction and Generalities
1.1 Gravitation and Quantum Field Theory: The Big Picture
1.2 Schwinger's Action Principle and Peierls'brackets
1.3 Gravitation and Quantum Field Theory: Poor Man's Approach
1.4 Exact Symmetries in Quantum Gravity
2 The Background Field Approach in Quantum Field Theory
2.1 Gauge Invariance of the One Loop Effective Action
3 The One Loop Effective Action
3.1 Zeta Function
3.2 Heat Kernel
3.3 Covariant Perturbation Theory
3.4 Flat Space Determinants
3.5 The Conformal Anomaly
3.6 Vacuum Energy
4 Divergences Out of Schwinger-DeWitt Coefficients
4.1 Coincidence Limits of Covariant Derivatives of the World Function
4.2 Coincidence Limits of Derivatives of the Van Vleck Determinant
4.3 Schwinger-DeWitt Coefficients
4.4 Recursion Relations for the Coefficients of the Short …
Appendix One-Loop Divergences in First Order Einstein–Hilbert Gravity
Appendix References