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arXiv 2005.09001hep-th
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三曲流形上的非相对论超对称性

Non-Relativistic Supersymmetry on Curved Three-Manifolds

Eric Bergshoeff, Athanasios Chatzistavrakidis, Johannes Lahnsteiner, Luca Romano, Jan Rosseel

摘要:

我们在弯曲的Newton-Cartan三维流形上构造了非相对论性超对称场论的显式例子。这些结果是通过对Lorentz流形上的四维超对称场论及其超对称参数所服从的Killing旋量方程进行零约化得到的。这就产生了一组代数和微分Killing旋量方程,所得到的三维非相对论场论的超对称参数服从这些方程。我们推导出的必要和充分条件,确定是否牛顿-Cartan背景承认这些Killing旋量方程的非平凡的解决方案。两类牛顿-Cartan背景的例子,遵守这些条件进行了讨论。第一类的特点是一个可积的叶理,对应于所谓的无扭扭转几何,并包括流形的空间切片同构的庞加莱光盘。第二类例子具有不可积的叶理结构,对应于接触流形。

英文摘要:

We construct explicit examples of non-relativistic supersymmetric field theories on curved Newton-Cartan three-manifolds. These results are obtained by performing a null reduction of four-dimensional supersymmetric field theories on Lorentzian manifolds and the Killing spinor equations that their supersymmetry parameters obey. This gives rise to a set of algebraic and differential Killing spinor equations that are obeyed by the supersymmetry parameters of the resulting three-dimensional non-relativistic field theories. We derive necessary and sufficient conditions that determine whether a Newton-Cartan background admits non-trivial solutions of these Killing spinor equations. Two classes of examples of Newton-Cartan backgrounds that obey these conditions are discussed. The first class is characterised by an integrable foliation, corresponding to so-called twistless torsional geometries, and includes manifolds whose spatial slices are isomorphic to the Poincaré disc. The second class of examples has a non-integrable foliation structure and corresponds to contact manifolds.

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