dorsal/arxiv
View SchemaN=4 Sugawara construction on affine sl(2|1), sl(3) and mKdV-type superhierarchies
| Authors | E. Ivanov, S. Krivonos, F. Toppan |
|---|---|
| Categories | |
| ArXiv ID | solv-int/9912003 |
| URL | https://arxiv.org/abs/solv-int/9912003 |
| DOI | 10.1142/S0217732399002819 |
| Journal | Mod.Phys.Lett. A14 (1999) 2673-2686 |
Abstract
The local Sugawara constructions of the "small" N=4 SCA in terms of supercurrents of N=2 extensions of the affinization of the sl(2|1) and sl(3) algebras are investigated. The associated super mKdV type hierarchies induced by N=4 SKdV ones are defined. In the sl(3) case the existence of two inequivalent Sugawara constructions is found. The long one involves all the affine sl(3)-valued currents, while the "short" one deals only with those from the subalgebra sl(2)\oplus u(1). As a consequence, the sl(3)-valued affine superfields carry two inequivalent mKdV type super hierarchies induced by the correspondence between "small" N=4 SCA and N=4 SKdV hierarchy. However, only the first hierarchy posseses genuine global N=4 supersymmetry. We discuss peculiarities of the realization of this N=4 supersymmetry on the affine supercurrents.
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"abstract": "The local Sugawara constructions of the \"small\" N=4 SCA in terms of\nsupercurrents of N=2 extensions of the affinization of the sl(2|1) and sl(3)\nalgebras are investigated. The associated super mKdV type hierarchies induced\nby N=4 SKdV ones are defined. In the sl(3) case the existence of two\ninequivalent Sugawara constructions is found. The long one involves all the\naffine sl(3)-valued currents, while the \"short\" one deals only with those from\nthe subalgebra sl(2)\\oplus u(1). As a consequence, the sl(3)-valued affine\nsuperfields carry two inequivalent mKdV type super hierarchies induced by the\ncorrespondence between \"small\" N=4 SCA and N=4 SKdV hierarchy. However, only\nthe first hierarchy posseses genuine global N=4 supersymmetry. We discuss\npeculiarities of the realization of this N=4 supersymmetry on the affine\nsupercurrents.",
"arxiv_id": "solv-int/9912003",
"authors": [
"E. Ivanov",
"S. Krivonos",
"F. Toppan"
],
"categories": [
"solv-int",
"hep-th",
"nlin.SI"
],
"doi": "10.1142/S0217732399002819",
"journal_ref": "Mod.Phys.Lett. A14 (1999) 2673-2686",
"title": "N=4 Sugawara construction on affine sl(2|1), sl(3) and mKdV-type superhierarchies",
"url": "https://arxiv.org/abs/solv-int/9912003"
},
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