B模式目标
B-mode Targets
摘要：
CMB-S4科学书、Astro 2020引力波科学白皮书和PICO报告包含了对许多正在进行和计划中的研究暴胀产生的引力波的广泛讨论。在这里，我们给出了一个简短的执行摘要，在我们最近的论文中获得的结果，其中指定了最简单的可用的暴胀模型，为这些搜索提供物理动机的目标。我们的结论是具体的$10^{-3} \lesssim r \lesssim 10^{-2}$范围内，我们提出的B-模式基准的U-对偶对称类的$α$吸引子，和$ r \lesssim 10^{-3}$，我们提出的B-模式的目标，其中未来的精确测量的$n_s$将是决定性的。我们证明了最简单的$α$ -吸引子和D膜暴胀的KKLTI模型的组合覆盖了普朗克2018年所青睐的大部分区域。
英文摘要：
The CMB-S4 Science Book, Astro2020 Science White Paper on gravitational waves, and PICO report contain an extensive discussion of many ongoing and planned efforts in the search for gravitational waved produced by inflation. Here we give a short executive summary of the results obtained in our recent papers, which specify the simplest available inflationary models providing physically motivated targets for these searches. Our conclusions are specific for the $10^{-3} \lesssim r \lesssim 10^{-2}$ range, where we present the B-mode benchmarks of the U-duality symmetric class of $α$-attractors, and for $ r \lesssim 10^{-3}$, where we present B-mode targets, for which the future precision measurements of $n_s$ will be decisive. We show that a combination of the simplest $α$-attractors and KKLTI models of D-brane inflation covers most of the area favored by Planck 2018.
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