2003
DOI: 10.1088/0264-9381/20/13/333
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Non(anti)commutative superspace

Abstract: We investigate the most general non(anti)commutative geometry in N = 1 four dimensional superspace, invariant under the classical (i.e. undeformed) supertranslation group. We find that a nontrivial non(anti)commutative superspace geometry compatible with supertranslations exists with non(anti)commutation parameters which may depend on the spinorial coordinates. The algebra is in general nonassociative. Imposing associativity introduces additional constraints which however allow for nontrivial commutation relat… Show more

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Cited by 155 publications
(201 citation statements)
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“…(9) and show that it is identical to the result in eqn. (10). We comment more on this issue later on.…”
mentioning
confidence: 94%
See 1 more Smart Citation
“…(9) and show that it is identical to the result in eqn. (10). We comment more on this issue later on.…”
mentioning
confidence: 94%
“…However, it turns out that such a superspace deformation is only possible in a Euclidean space [10]. Following the work in [8], various aspects of supersymmetric theories with non(anti)commutative deformation are being actively investigated.…”
mentioning
confidence: 99%
“…In the supersymmetric case, the appearance of the RR flux F αβ modifies the superspace geometry through the appearance of a nontrivial anticommutator {θ α , θ β } = F αβ [3][4][5][6][7][8]. The effect on field theories defined in nonanticommutative (NAC) superspace is that the multiplication among superfields is no longer commutative but described by the so-called * -product.…”
Section: Introductionmentioning
confidence: 99%
“…Nilpotent deformations in extended supersymmetric field theories were first analyzed in superspace [9,10] and later on in harmonic superspace [11,12]. In this paper we work in Euclidean harmonic superspace in four dimensions [13], where (θ α i ) * =θα i .…”
Section: Introductionmentioning
confidence: 99%