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Quantum Field Theory II: Introductions to Quantum Gravity, Supersymmetry and String Theory

Quantum Field Theory II: Introductions to Quantum Gravity, Supersymmetry and String Theory

Paperback

Series: Graduate Texts in Physics

Physics

ISBN10: 3319816179
ISBN13: 9783319816173
Publisher: Springer Nature
Published: Jun 14 2018
Pages: 364
Weight: 1.18
Height: 0.79 Width: 6.14 Depth: 9.21
Language: English

This book takes a pedagogical approach to explaining quantum gravity, supersymmetry and string theory in a coherent way. It is aimed at graduate students and researchers in quantum field theory and high-energy physics.

The first part of the book introduces quantum gravity, without requiring previous knowledge of general relativity (GR). The necessary geometrical aspects are derived afresh leading to explicit general Lagrangians for gravity, including that of general relativity. The quantum aspect of gravitation, as described by the graviton, is introduced and perturbative quantum GR is discussed. The Schwinger-DeWitt formalism is developed to compute the one-loop contribution to the theory and renormalizability aspects of the perturbative theory are also discussed. This follows by introducing only the very basics of a non-perturbative, background-independent, formulation of quantum gravity, referred to as loop quantum gravity, which gives rise to a quantization of space.

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