# Gravitational waves and CMB polarization

Gravitational waves generated during inflation should produce a special component in linear polarization in the CMB. Why? Could anyone give an easy qualitative explanation?

Thanx.

## Answers and Replies

Ambitwistor
Originally posted by hellfire
Gravitational waves generated during inflation should produce a special component in linear polarization in the CMB. Why? Could anyone give an easy qualitative explanation?

You might start here:

http://home.fnal.gov/~scranton/LensedCMB/polarization.html [Broken]

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