The Massless Limit of Massive Gauge Theories
Anamaria Hell
Gebundenes Buch

The Massless Limit of Massive Gauge Theories

To the Strong Coupling and Beyond

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This thesis explores a fundamental question in field theory: If we modify a theory by introducing a small parameter, can we recover the original theory by setting that parameter back to zero? While seemingly simple, this question presents a major challenge in gauge theories where mass is added manually. In fact, some have even argued that such theories should be completely discarded as viable descriptions of nature.Focusing on massive gauge theories, particularly those involving vector fields, this work offers a fresh perspective that diverges from conventional field theory textbooks. Beginnin...