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arXiv 0911.5212hep-th
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非线性超对称、膜-体相互作用和无引力的超希格斯粒子

Nonlinear Supersymmetry, Brane-bulk Interactions and Super-Higgs without Gravity

N. Ambrosetti, I. Antoniadis, J. -P. Derendinger, P. Tziveloglou

摘要:

我们导出了N=2全局超对称性的超多重态与具有线性N=1和第二非线性超对称性的Dirac Born Infeld Maxwell理论的耦合。在全局超对称性的层面上,这种结构对应于体超多重态与麦克斯韦膜场的相互作用,例如在卡-丘流形上紧化的IIB型弦的普适子。它特别显示了四种形式字段的积极作用。约束N=1和N=2的超场和超多重态在其单张量版本的制定是用来推导的非线性实现,允许一个完全离壳描述。然后得到具有显式对称性和超对称性的精确结果。本文还导出了该理论的电磁对偶形式,并以N=2的带电超多重态的非线性QED为例说明了相互作用的规范结构。它的希格斯相描述了一种新的超希格斯机制,没有重力,其中goldstino与一半的超多重态结合成N=1的大质量矢量多重态。

英文摘要:

We derive the coupling of a hypermultiplet of N=2 global supersymmetry to the Dirac-Born-Infeld Maxwell theory with linear N=1 and a second nonlinear supersymmetry. At the level of global supersymmetry, this construction corresponds to the interaction with Maxwell brane fields of bulk hypermultiplets, such as the universal dilaton of type IIB strings compactified on a Calabi-Yau manifold. It displays in particular the active role of a four-form field. Constrained N=1 and N=2 superfields and the formulation of the hypermultiplet in its single-tensor version are used to derive the nonlinear realization, allowing a fully off-shell description. Exact results with explicit symmetries and supersymmetries are then obtained. The electric-magnetic dual version of the theory is also derived and the gauge structure of the interaction is exemplified with N=2 nonlinear QED of a charged hypermultiplet. Its Higgs phase describes a novel super-Higgs mechanism without gravity, where the goldstino is combined with half of the hypermultiplet into an N=1 massive vector multiplet.

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