General relativistic contribution to polarization of the cosmic microwave background anisotropy

被引：1

作者：

Mohanty, S ^{[1
]}

Prasanna, AR ^{[1
]}

机构：

[1] Phys Res Lab, Ahmadabad 380009, Gujarat, India

来源：

PHYSICAL REVIEW D | 2001年 / 63卷 / 02期

关键词：

D O I：

10.1103/PhysRevD.63.027301

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We solve the wave equation for the electromagnetic field tensors associated with the cosmic microwave background radiation (CMBR) photons in a universe with scalar metric perturbations. We show that the coupling of the electromagnetic fields with the curvature associated with the scalar perturbations gives rise to an optical rotation of the microwave background photons. The magnitude of the gravitationally generated V-Stokes parameter anisotropy Delta (V) is however very small compared to the linear polarization caused by Thomson scattering.

引用

页数：4

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