Introduction to Quantum Field Theory with Applications to Quantum Gravity (Innbundet)

Serie: Oxford Graduate Texts 



Forfatter: og
Innbinding: Innbundet
Utgivelsesår: 2021
Antall sider: 544
Forlag: Oxford University Press
Språk: Engelsk
ISBN/EAN: 9780198838319
Kategori: Naturvitenskap
Omtale Introduction to Quantum Field Theory with Applications to Quantum Gravity
Applications of quantum field theoretical methods to gravitational physics, both in the semiclassical and the full quantum frameworks, require a careful formulation of the fundamental basis of quantum theory, with special attention to such important issues as renormalization, quantum theory of gauge theories, and especially effective action formalism. The first part of this graduate textbook provides both a conceptual and technical introduction to the theory of
quantum fields. The presentation is consistent, starting from elements of group theory, classical fields, and moving on to the effective action formalism in general gauge theories. Compared to other existing books, the general formalism of renormalization in described in more detail, and special attention
paid to gauge theories. This part can serve as a textbook for a one-semester introductory course in quantum field theory.

In the second part, we discuss basic aspects of quantum field theory in curved space, and perturbative quantum gravity. More than half of Part II is written with a full exposition of details, and includes elaborated examples of simplest calculations. All chapters include exercises ranging from very simple ones to those requiring small original investigations. The selection of material of the second part is done using the "must-know" principle. This means we included detailed
expositions of relatively simple techniques and calculations, expecting that the interested reader will be able to learn more advanced issues independently after working through the basic material, and completing the exercises.

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