宇宙学赝标场的线极化和圆极化的旋转
Rotation of Linear Polarization Plane and Circular Polarization from Cosmological Pseudoscalar Fields
摘要：
讨论了赝标场作为暗物质时，线偏振面的旋转和圆偏振的产生。本文用解析法和数值法计算了振荡和单调递减赝标场的斯托克斯参量从最后一个散射面的传播。对于本文所研究的模型，我们展示了广泛使用的近似，其中旋转角是恒定的时间和准确的结果之间的比较。
英文摘要：
We discuss the rotation of the linear polarization plane and the production of circular polarization generated by a pseudoscalar field acting as dark matter. We compute analytically and numerically the propagation of the Stokes parameters from the last scattering surface for an oscillating and a monotonic decreasing pseudoscalar field. For the models studied in this paper, we show the comparison between the widely used approximation in which the rotation angle is constant in time and the exact result.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
