Dynamics VI: The classical limit of quantum fields

Anthony Duncan

in The Conceptual Framework of Quantum Field Theory

Published in print August 2012 | ISBN: 9780199573264
Published online January 2013 | e-ISBN: 9780191743313 | DOI:
Dynamics VI: The classical limit of quantum fields

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This chapter examines the question of the classical limit of quantum fields. It discusses the mutual measurability of field observables, and the types of states of the field for which quasi-classical behaviour is recovered. It also considers the energetic stability of quantum field theories, and addresses the related phenomenon of spontaneous symmetry-breaking.

Keywords: classical limits; quantum field theory; energetic stability; symmetry breaking

Chapter.  11090 words.  Illustrated.

Subjects: Mathematical and Statistical Physics

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