N=2 super-Born-Infeld theory revisited
Sergei V. Ketov (Univ. of Maryland & ITP, Hannover)
TL;DR
This paper analyzes the symmetry structure of the N=2 supersymmetric Born-Infeld action, confirming its role as a Goldstone-Maxwell action for partial supersymmetry breaking, and discusses its uniqueness and connection to noncommutative geometry.
Contribution
It reveals hidden non-linear supersymmetries in the N=2 super-Born-Infeld action and discusses its uniqueness and potential links to noncommutative geometry.
Findings
Confirmed the interpretation as Goldstone-Maxwell action for partial supersymmetry breaking.
Discovered hidden invariance under non-linearly realized supersymmetries.
Discussed the possible uniqueness and relation to noncommutative geometry.
Abstract
I discuss the symmetry structure of the N=2 supersymmetric extension of the Born-Infeld action in four dimensions, and confirm its interpretation as the Goldstone-Maxwell action associated with partial breaking of N=4 extended supersymmetry down to N=2, by revealing a hidden invariance of the action with respect to two non-linearly realized supersymmetries and two spontaneously broken translations. I also argue about the uniqueness of supersymmetric extension of the Born-Infeld action, and its possible relation to noncommutative geometry.
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