B-mode in CMB polarization. What's that and why it is interesting

TL;DR

This paper discusses the generation of B-mode polarization in the Cosmic Microwave Background caused by relic gravitational waves, highlighting its significance and analyzing polarization maps in relation to recent BICEP2 findings.

Contribution

It provides an explanation of B-mode polarization generation and introduces a method to analyze polarization maps using eigenvectors of the polarization matrix.

Findings

B-mode polarization can be generated by relic gravitational waves

Polarization maps can be described using eigenvectors of the polarization matrix

Connection between BICEP2 measurements and B-mode polarization is explored

Abstract

Generation of the B-mode of CMB polarization by background of relic gravitational wave is discussed in connection with the BICEP2 measurements. Description of the polarization maps in terms of the eigenvectors of the polarization matrix is considered.