On the Reality of Gauge Potentials

  title={On the Reality of Gauge Potentials},
  author={Richard Healey},
  journal={Philosophy of Science},
  pages={432 - 455}
  • R. Healey
  • Published 1 December 2001
  • Physics
  • Philosophy of Science
Classically, a gauge potential was merely a convenient device for generating a corresponding gauge field. Quantum-mechanically, a gauge potential lays claim to independent status as a further feature of the physical situation. But whether this is a local or a global feature is not made any clearer by the variety of mathematical structures used to represent it. I argue that in the theory of electromagnetism (or a non-Abelian generalization) that describes quantum particles subject to a classical… 
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