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Field Theory (3rd Ed)

by Das Ashok

Quantum field theory through path integrals

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Paperback New English

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AlbakiReads Editorial

Quantum field theory through path integrals

Organized around path integrals, this third edition develops quantum field theory first in the context of quantum mechanics, then turns to more specialized topics. The expanded chapters include a rewritten treatment of anomalies and the Schwinger model. Two additions address Schwinger’s proper time method, with examples at zero and finite temperature, and zeta function regularization, also illustrated with examples. The book’s structure makes its path-integral approach the organizing thread across both foundational material and these focused methods.

Good fit for readers who enjoy

  • Students or instructors seeking a path-integral-based treatment of quantum field theory
  • Readers interested in anomalies, the Schwinger model, proper time methods, or zeta function regularization

Themes

Quantum field theoryPath integralsQuantum mechanicsAnomalies and the Schwinger modelRegularization methods

Based on publisher information and book metadata.

Book overview

This unique book describes quantum field theory completely within the context of path integrals. With its utility in a variety of fields in physics, the subject matter is primarily developed within the context of quantum mechanics before going into specialized areas.

All the existing chapters of the previous edition have been expanded for more clarity. The chapter on anomalies and the Schwinger model has been completely rewritten for better logical clarity. Two new chapters have been added at the request of students and faculty worldwide. The first describes Schwinger's proper time method with simple examples both at zero and at finite temperature while the second develops the idea of zeta function regularization with simple examples.

This latest edition is a comprehensive and much expanded version of the original text.

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