Abstract
A new class of non-linear representations ofN extended supersymmetry is found. These non-linear realizations extend the Volkov-Akulov non-linear realizations to include central charges which can also be non-linearly realized. The general construction of the corresponding non-linear Lagrangians is presented. The coupling toN extended supergravity provides the simultaneous occurrence of the Higgs and super-Higgs effects. The corresponding formulae for spin-3/2 gravitinos and spin-1 vector boson masses are derived.
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