弯曲额外维模型中的时空非对易性
Spacetime Noncommutativity in Models with Warped Extradimensions
摘要：
我们构造了Randall-Sundrum时空的一致非对易（NC）变形，该变形求解了具有依赖于第五坐标的非平凡泊松张量的NC爱因斯坦方程。在一类这些变形的泊松张量是指数本地化的膜（NC-膜）之一，我们研究了散装粒子的影响在洛伦兹违反运营商引起的NC-膜相互作用。我们勾画了两个模型，其中大量的散装粒子调解NC效应几乎可交换的SM膜，这样，在高能量对撞机的观测值增强相对于低能量和天体物理观测值。
英文摘要：
We construct consistent noncommutative (NC) deformations of the Randall-Sundrum spacetime that solve the NC Einstein equations with a non-trivial Poisson tensor depending on the fifth coordinate. In a class of these deformations where the Poisson tensor is exponentially localized on one of the branes (the NC-brane), we study the effects on bulk particles in terms of Lorentz-violating operators induced by NC-brane interactions. We sketch two models in which massive bulk particles mediate NC effects to an almost-commutative SM-brane, such that observables at high energy colliders are enhanced with respect to low energy and astrophysical observables.
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