V. G. Kiselev, Y. M. Shnir, A. Ya Tregubovich

Introduction to Quantum Field Theory

• Gebundenes Buch

Produktbeschreibung

This text explains the features of quantum and statistical field systems that result from their field-theoretic nature and are common to different physical contexts. It supplies the practical tools for carrying out calculations and discusses the meaning of the results. The central concept is that of effective action (or free energy), and the main technical tool is the path integral, although other formalisms are also mentioned. The author emphasizes the simplest models first, then progresses to discussions of real systems before addressing more general and rigorous conclusions. The book is structured around carefully selected problems, which are solved in detail.

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Produktdetails

• Verlag: Routledge
• Seitenzahl: 456
• Erscheinungstermin: 1. November 2000
• Englisch
• Abmessung: 240mm x 161mm x 29mm
• Gewicht: 845g
• ISBN-13: 9789056992378
• ISBN-10: 9056992376
• Artikelnr.: 22092909

Autorenporträt

V.lG. Kiselev, Ya.M. Shnir, A.Ya. Tregubovich

Inhaltsangabe

PART ONE: The Path Integral in Quantum Mechanics: Action in Classical
Mechanics. The Path Integral in Quantum Mechanics. The Euclidean Path
Integral. PART TWO: Introduction to Quantum Field Theory. Classical and
Quantum Fields. Vacuum Energy in n4 Theory. Renormalization of the
Effective Action. Renormalization Group. Concluding Remarks. PART THREE:
More Complex Fields and Objects: From Particles to Fields: Path Integral
Fermions. Gauge Fields. Topological Objects. Some Integrals and Products.
Splitting of Levels in Double-Well Potential. Lie Algebra