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We apply the background field technique, recently developed for a generalclass of nonlinear symmetries, at tree level, to the Volkov-Akulov theory withspontaneously broken N=1 supersymmetry. We find that the background fieldexpansion in terms of the free fields to the lowest order reproduces thenonlinear supersymmetry transformation rules. The double soft limit of thebackground field is, in agreement with the new general identities, defined bythe algebra of the nonlinear symmetries.

Origin of Soft Limits from Nonlinear Supersymmetry in Volkov-Akulov Theory