标题： 非交换标量场与引力的最小耦合 显示英文标题

标题： Noncommutative scalar field minimally coupled to gravity

摘要： 基于莫尔乘积的推广，提出了一个非对易标量场与引力耦合的模型。 给出了在星积扰动的第一非平凡阶次下与均匀和各向同性平坦罗伯逊-沃尔克空间相容的解。 表明在典型的混沌暴胀情景中，至少在慢滚区域，非对易性不会产生可观测效应。 显示英文摘要

摘要： A model for noncommutative scalar fields coupled to gravity based on the generalization of the Moyal product is proposed. Solutions compatible with homogeneous and isotropic flat Robertson-Walker spaces to first non-trivial order in the perturbation of the star-product are presented. It is shown that in the context of a typical chaotic inflationary scenario, at least in the slow-roll regime, noncommutativity yields no observable effect.