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Paper   IPM / P / 6580
School of Physics
  Title:   Gauge Symmetry in Lagrangian Formulation and Schwinger Model
  Author(s):  A. Shirzad
  Status:   Published
  Journal: J. Phys. A: Math. Gen.
  No.:  28
  Vol.:  31
  Year:  1998
  Pages:   2747-2760
  Supported by:  IPM
A systematic method is presented for processing the equations of motion of a singular Lagrangian that in principle gets all dynamical degrees of freedom together with the Lagrangian constraints and a number of identities between the equations of motion. Then using these identities one can find the complete set of the gauge transformations of the system. Different types of Schwinger model are considered as examples and the related gauge transformations are derived.

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