论文标题

用两极分化的Sunyaev-Zel'Dovich探测宇宙双折射

Probing cosmic birefringence with polarized Sunyaev-Zel'dovich tomography

论文作者

Lee, Nanoom, Hotinli, Selim C., Kamionkowski, Marc

论文摘要

如果暗能和/或暗物质背后的物理违反了标准宇宙学范式中假定的平等对称性,则宇宙微波背景(CMB)光子的线性极化由于其与暗区域的耦合而旋转。最近的3 $σ$暗示了CMB极化的EB频谱中这种``宇宙双折射''的提示激励了我们寻求新的方向,以独立验证和表征信号。在这里,我们探索了使用CMB的小规模波动的探索宇宙福克斯的前景,使用了cmb pollacized polyperized sunyaev-sunyaev-sely tonyady tonyyadovice tonyyady tonyyadovice tomeagrized tonyadovice tomeagripation tonyadovic tomeagry tonyavic tomeagripation(为了推断宇宙双折射的红移依赖性,还有助于校准仪器偏振方向以说明前景。

If the physics behind dark energy and/or dark matter violates the parity symmetry assumed in the standard cosmological paradigm, the linear polarization of the cosmic microwave background (CMB) photons can rotate due to their coupling to the dark sector. Recent 3$σ$ hints of this ``cosmic birefringence" in the EB spectrum of the CMB polarization motivates us to pursue new directions to independently validate and characterize the signal. Here, we explore the prospects to probe cosmic birefringence from small-scale fluctuations in the CMB using polarized Sunyaev-Zel'dovich (pSZ) tomography. We find that pSZ can be used to infer the redshift dependence of cosmic birefringence and also help calibrate the instrumental polarization orientation. To illustrate the prospects, we show that pSZ tomography may probe an axion-like dark energy model with masses $m_ϕ\lesssim 10^{-32}$eV with $\mathcal{O}(0.1)$ degrees of rotation between reionization and recombination.

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