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We develop a superspace Noether procedure for supersymmetric field theories in four dimensions for which an off-shell formulation in ordinary superspace exists. In this Nay we obtain an elegant and compact derivation of the various supercurrents in theme theories We then apply this formalism to compute the central charges for a variety of effective actions. As a by-product we also obtain a simple derivation of the anomalous superconformal Ward identity in N = 2 Yang-Mills theory The connection with linearized supergravity is also discussed. (C) 2002 Elsevier Science (USA).
Keyword:
YANG-MILLS THEORY
N=2 SUPERGRAVITY
SUPERCONFORMAL SYMMETRY
AUXILIARY FIELDS
GAUGE-THEORIES
CENTRAL CHARGE
SUPERSYMMETRY
SUPERSPACE
ANOMALIES
CURRENTS
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