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arXiv 1909.09208hep-thhep-ph
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N = 1/2超空间中的五维超引力

Five-dimensional Supergravity in N = 1/2 Superspace

Katrin Becker, Melanie Becker, Daniel Butter, William D. Linch, Stephen Randall

摘要:

我们在四维N = 1的超空间中构造了具有额外玻色坐标的5D N = 1的超引力。这显然代表了四种超对称性和相关的庞加莱对称性。剩下的四个超对称和其余的庞加莱对称都是线性的,但不是明显的。在线性化近似中,作用量简化为已知的超空间结果。作为该方法的一个应用,我们构造了该超空间中的$\int A\wedge R\wedge R$不变量.

英文摘要:

We construct 5D, N = 1 supergravity in a 4D, N = 1 superspace with an extra bosonic coordinate. This represents four of the supersymmetries and the associated Poincaré symmetries manifestly. The remaining four supersymmetries and the rest of the Poincaré symmetries are represented linearly but not manifestly. In the linearized approximation, the action reduces to the known superspace result. As an application of the formalism, we construct the $\int A\wedge R\wedge R$ invariant in this superspace.

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