X iv : h ep - t h / 98 07 19 7 v 1 2 8 Ju l 1 99 8 Uniqueness of Bogomol ’ nyi equations and Born - Infeld like supersymmetric theories

نویسندگان

  • H. R. Christiansen
  • C. Núñez
  • F. A. Schaposnik
چکیده

We discuss Bogomol'nyi equations for general gauge theories (depending on the two Maxwell invariants F µν F µν and˜F µν F µν) coupled to Higgs scalars. By analysing their supersymmetric extension, we explicitly show why the resulting BPS structure is insensitive to the particular form of the gauge Lagrangian: Maxwell, Born-Infeld or more complicated non-polynomial Lagrangians all satisfy the same Bogomol'nyi equations and bounds which are dictated by the underlying supersymmetry algebra.

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تاریخ انتشار 2008