The Conceptual Framework of Quantum Field Theory Anthony Duncan

ISBN: 9786613889157

Published: August 9th 2012

ebook

793 pages


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The Conceptual Framework of Quantum Field Theory  by  Anthony Duncan

The Conceptual Framework of Quantum Field Theory by Anthony Duncan
August 9th 2012 | ebook | PDF, EPUB, FB2, DjVu, audiobook, mp3, RTF | 793 pages | ISBN: 9786613889157 | 10.41 Mb

The book attempts to provide an introduction to quantum field theory emphasizing conceptual issues frequently neglected in more utilitarian treatments of the subject. The book is divided into four parts, entitled respectively Origins, Dynamics,MoreThe book attempts to provide an introduction to quantum field theory emphasizing conceptual issues frequently neglected in more utilitarian treatments of the subject. The book is divided into four parts, entitled respectively Origins, Dynamics, Symmetries, and Scales.

The emphasis is conceptual - the aim is to build the theory up systematically from some clearly stated foundational concepts - and therefore to a large extent anti-historical, but two historical Chapters(Origins) are included to situate quantum field theory in the larger context of modern physical theories. The three remaining sections of the book follow a step by step reconstruction of this framework beginning with just a few basic assumptions: relativistic invariance, the basic principles ofquantum mechanics, and the prohibition of physical action at a distance embodied in the clustering principle.

The Dynamics section of the book lays out the basic structure of quantum field theory arising from the sequential insertion of quantum-mechanical, relativistic and locality constraints. The central role of symmetries in relativistic quantum field theories is explored in the third section of the book, while in the final section, entitled Scales, we explore in detail the feature ofquantum field theories most critical for their enormous phenomenological success - the scale separation property embodied by the renormalization group properties of a theory defined by an effective local Lagrangian.



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