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arXiv 2112.05902hep-thgr-qc
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三维非相对论性超引力和挠率

Three-dimensional non-relativistic supergravity and torsion

Patrick Concha, Lucrezia Ravera, Evelyn Rodríguez

摘要:

在本文中,我们提出了一个扭转的非相对论性陈-西蒙斯远程平行(超)引力理论在三维时空。我们从发展纯玻色子相对论远程平行陈-西蒙斯引力公式的非相对论极限开始。在壳层上,后者产生具有非零挠率的非黎曼设置,在非相对论水平上,其转化为由宇宙学常数引起的非零空间挠率。然后考虑三维相对论性$\mathcal{N}=2$ Chern-Simons超引力理论,利用李代数展开方法得到了它的非相对论性对应理论。非相对论性超引力理论的特征在于,在壳层上,非零的空间超挠率,同样来源于宇宙学常数。

英文摘要:

In this paper we present a torsional non-relativistic Chern-Simons teleparallel (super)gravity theory in three spacetime dimensions. We start by developing the non-relativistic limit of the purely bosonic relativistic teleparallel Chern-Simons formulation of gravity. On-shell the latter yields a non-Riemannian setup with non-vanishing torsion, which, at non-relativistic level, translates into a non-vanishing spatial torsion sourced by the cosmological constant. Then we consider the three-dimensional relativistic $\mathcal{N}=2$ Chern-Simons supergravity theory and obtain its non-relativistic counterpart by exploiting a Lie algebra expansion method. The non-relativistic supergravity theory is characterized, on-shell, by a non-vanishing spatial super-torsion, again sourced by the cosmological constant.

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