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Symmetries IV: Local symmetries in field theory

Anthony Duncan

in The Conceptual Framework of Quantum Field Theory

Published in print:
2012
Published Online:
January 2013
ISBN:
9780199573264
eISBN:
9780191743313
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573264.003.0015
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter examines the additional rich structure introduced when a local quantum field theory displays a local gauge symmetry. It shows how such symmetries require a generalization of the ... More


Internal symmetry and gauge interactions

Ta-Pei Cheng

in Einstein's Physics: Atoms, Quanta, and Relativity - Derived, Explained, and Appraised

Published in print:
2013
Published Online:
May 2013
ISBN:
9780199669912
eISBN:
9780191744488
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199669912.003.0016
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

We review gauge invariance in classical electrodynamics and in quantum mechanics, showing that the gauge transformation must involve a spacetime-dependent phase change of the wavefunction for a ... More


Geometrizing Physics: Eddington's Theory of the Affine Field

Thomas Ryckman

in The Reign of Relativity: Philosophy in Physics 1915-1925

Published in print:
2005
Published Online:
April 2005
ISBN:
9780195177176
eISBN:
9780199835324
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0195177177.003.0008
Subject:
Philosophy, Philosophy of Science

It is shown how Eddington’s 1921 generalization of Weyl’s theory of gravitation and electromagnetism stemmed from similar transcendental idealist epistemological concerns. While Eddington’s affine ... More


Structural refinement

David Blow

in Outline of Crystallography for Biologists

Published in print:
2002
Published Online:
November 2020
ISBN:
9780198510512
eISBN:
9780191919244
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198510512.003.0017
Subject:
Chemistry, Crystallography: Chemistry

At this stage, we have derived a model from an electron-density map and have interpreted it as closely as we can in terms of molecular structure. Provided the job has been done well enough, the ... More


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