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arXiv 0710.3440hep-th
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五维超引力场

Five-dimensional Superfield Supergravity

Sergei M. Kuzenko, Gabriele Tartaglino-Mazzucchelli

摘要:

我们提出了一个在五维空间中物质耦合的简单超引力的投影超空间公式。我们的出发点是Howe在1981年提出的最小超引力多重态的超空间实现。我们介绍了各种离壳超多重态(即超多重态,张量和矢量多重态),描述耦合到超引力的物质场。给出了一个射影不变作用原理,并构造了包含超对称非线性σ模型的具体动力系统。我们相信,这种方法可以扩展到其他超引力理论与八个超荷在$D\leq 6$时空维度,包括重要的情况下,4D N=2超引力。

英文摘要:

We present a projective superspace formulation for matter-coupled simple supergravity in five dimensions. Our starting point is the superspace realization for the minimal supergravity multiplet proposed by Howe in 1981. We introduce various off-shell supermultiplets (i.e. hypermultiplets, tensor and vector multiplets) that describe matter fields coupled to supergravity. A projective-invariant action principle is given, and specific dynamical systems are constructed including supersymmetric nonlinear sigma-models. We believe that this approach can be extended to other supergravity theories with eight supercharges in $D\leq 6$ space-time dimensions, including the important case of 4D N=2 supergravity.

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