Introduction to Quantum Effects in Gravity

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Cambridge University Press, Jun 14, 2007 - Mathematics - 273 pages
This book, first published in 2007, is an introductory textbook on quantum field theory in gravitational backgrounds intended for undergraduate and beginning graduate students in the fields of theoretical astrophysics, cosmology, particle physics, and string theory. The book covers the basic (but essential) material of quantization of fields in an expanding universe and quantum fluctuations in inflationary spacetime. It also contains a detailed explanation of the Casimir, Unruh, and Hawking effects, and introduces the method of effective action used for calculating the back-reaction of quantum systems on a classical external gravitational field. The broad scope of the material covered will provide the reader with a thorough perspective of the subject. Every major result is derived from first principles and thoroughly explained. The book is self-contained and assumes only a basic knowledge of general relativity. Exercises with detailed solutions are provided throughout the book.
 

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Contents

classical and quantum theory
13
Driven harmonic oscillator
33
From harmonic oscillators to fields
42
classical fields
54
Quantum fields in expanding universe
64
Quantum fields in the de Sitter universe
85
Unruh effect
97
Hawking effect Thermodynamics of black holes
109
Path integrals
131
Effective action
146
Calculation of heat kernel
170
Results from effective action
180
Mathematical supplement
193
Backreaction derived from effective action
212
Solutions to exercises
218
Index
272

The Casimir effect
124

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About the author (2007)

VIATCHESLAV MUKHANOV is Professor of Physics at Ludwig-Maximilians-University, Munich. His main result is the theory of inflationary cosmological perturbations. Professor Mukhanov is author of Physical Foundations of Cosmology (Cambridge University Press, 2005). He also serves on the editorial boards of leading research journals and is Scientific Director of the Journal of Cosmology and Astroparticle Physics (JCAP).

SERGEI WINITZKI is Research Associate in the Department of Physics at Ludwig-Maximilians-University, Munich. His main areas of research include quantum cosmology, the theory of dark energy, the global structure of spacetime, and quantum gravity.

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