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Shortening the gauge argument

Afriat, Alexander (2012) Shortening the gauge argument. [Preprint]

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The ``gauge argument'' is often used to `deduce' interactions from a symmetry requirement. A transition---whose justification can take some effort---from global to local transformations is typically made at the beginning of the argument. But one can spare the trouble by \emph{starting} with local transformations, as global ones do not exist in general. The resulting economy seems noteworthy.

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Item Type: Preprint
Keywords: gauge argument; Lagrangian; symmetries; local and global transformations
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Symmetries/Invariances
Depositing User: Alexander Afriat
Date Deposited: 25 Aug 2012 15:26
Last Modified: 25 Aug 2012 15:26
Item ID: 9289

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