论文标题
连续自发定位模型中的通货膨胀扰动产生：二阶功率谱
Generation of inflationary perturbations in the continuous spontaneous localization model: The second order power spectrum
论文作者
论文摘要
宇宙通货膨胀描述了早期宇宙的加速膨胀，它在宇宙微波背景（CMB）中对温度各向异性产生了最成功的预测。然而，原始扰动及其量子到古典过渡的确切起源仍然是一个悬而未决的问题。在宇宙学环境中，连续的自发定位模型（CSL）可以通过考虑对充气波函数的客观降低来为上述难题提供解决方案。在这项工作中，我们在哈勃流动函数下的下一个领先顺序上计算原始功率谱，该功能是通过应用CSL模型来减慢半经典重力框架内的滚动通货膨胀而产生的。我们采用了称为统一近似的方法，以及哈勃流动函数中的二阶扩展。我们分析了CMB温度和原始功率光谱中的某些特征，这些功能可以帮助区分标准预测和我们的方法。
Cosmic inflation, which describes an accelerated expansion of the early Universe, yields the most successful predictions regarding temperature anisotropies in the cosmic microwave background (CMB). Nevertheless, the precise origin of the primordial perturbations and their quantum-to-classical transition is still an open issue. The continuous spontaneous localization model (CSL), in the cosmological context, might be used to provide a solution to the mentioned puzzles by considering an objective reduction of the inflaton wave function. In this work, we calculate the primordial power spectrum at the next leading order in the Hubble flow functions that results from applying the CSL model to slow roll inflation within the semiclassical gravity framework. We employ the method known as uniform approximation along with a second order expansion in the Hubble flow functions. We analyze some features in the CMB temperature and primordial power spectra that could help to distinguish between the standard prediction and our approach.
