Global Symmetries in the Antifield-Formalism

Details Global Symmetries in the Antifield-Formalism Global Symmetries in the Antifield-Formalism

1996-06-26

arxiv.org/abs/hep-th/9606172v1

Phys.Lett. B387 (1996) 320-326

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, no figures, latex

Scientific paper

10.1016/0370-2693(96)01034-9

In this paper, two things are done. (i) First, it is shown that any global symmetry of a gauge-invariant theory can be extended to the ghosts and the antifields so as to leave invariant the solution of the master-equation (before gauge fixing). (ii) Second, it is proved that the incorporation of the rigid symmetries to the solution of the master-equation through the introduction of a constant ghost for each global symmetry can be obstructed already at the classical level whenever the theory possesses higher order conservation laws. Explicit examples are given.

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