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arXiv 1306.1205hep-th
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三维共形超引力:离壳作用

Conformal supergravity in three dimensions: Off-shell actions

Daniel Butter, Sergei M. Kuzenko, Joseph Novak, Gabriele Tartaglino-Mazzucchelli

摘要:

使用最近在arXiv:1305.3132中提出的三维N-扩展共形超引力的离壳公式,我们构造了N<6的共形超引力理论的超空间作用量。对于所考虑的每一种情况,我们计算出属于外尔超多重态的场的完全分量作用量以及规范变换律。得到的N=1和N=2分量作用量与van Nieuwenhuizen和Rocek在20世纪80年代中期提出的作用量一致。壳外N=3、N=4和N=5的超重力作用是新的结果。在消除辅助场后,这些作用量减少到Lindstrom和Rocek在1989年(以及Gates和Nishino在1993年)构建的作用量。

英文摘要:

Using the off-shell formulation for N-extended conformal supergravity in three dimensions, which has recently been presented in arXiv:1305.3132, we construct superspace actions for conformal supergravity theories with N<6. For each of the cases considered, we work out the complete component action as well as the gauge transformation laws of the fields belonging to the Weyl supermultiplet. The N=1 and N=2 component actions derived coincide with those proposed by van Nieuwenhuizen and Rocek in the mid-1980s. The off-shell N=3, N=4 and N=5 supergravity actions are new results. Upon elimination of the auxiliary fields, these actions reduce to those constructed by Lindstrom and Rocek in 1989 (and also by Gates and Nishino in 1993).

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