Abstract

We give a short account of the superfield approach based on deformed analogs of the standard \(\mathcal{N}=4,d=1\) superspace and present a few models of supersymmetric quantum mechanics constructed within this new framework. The relevant superspaces are the proper cosets of the supergroup SU(2 | 1). As instructive examples we consider the models associated with the worldline SU(2 | 1) supermultiplets (1,4,3) and (2,4,2). An essential ingredient of these models is the mass parameter m which deforms the standard \(\mathcal{N}=4,d=1\) supersymmetry to SU(2 | 1) supersymmetry.

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