标量-张量纠缠对宇宙学功率谱的修正及其观测后果
高能物理 - 理论
2017-01-13 v3 宇宙学与河外天体物理
广义相对论与量子宇宙学
摘要
我们考虑暴胀期间标量和张量涨落的初始量子态中的纠缠效应。我们允许规范不变的标量和张量涨落在初始态中纠缠,并计算对各种宇宙学功率谱的修正。我们针对纠缠态的某些特定情况计算了角功率谱(),并讨论了在CMB数据中可能发现的信号。这种纠缠还可能破坏旋转不变性,从而使得CMB功率谱中的一些大尺度异常有可能通过这一机制得到解释。
引用
@article{arxiv.1605.01008,
title = {Modifications to Cosmological Power Spectra from Scalar-Tensor Entanglement and their Observational Consequences},
author = {Nadia Bolis and Andreas Albrecht and R. Holman},
journal= {arXiv preprint arXiv:1605.01008},
year = {2017}
}
备注
29 pages, 15 figures Third version: Published in JCAP. Includes improvements to toy model in Section 5 to better explain origin of oscillations and changes to Appendix C to complement this discussion. The discussion in the final Appendix has also been slightly modified for clarity