The presence of Primordial Gravitational Waves in the Cosmic Microwave
Background [PDF]
Wytler Cordeiro dos SantosThe General Relativity affirms that any field is a source of gravitationalView original: http://arxiv.org/abs/1202.1793
field, thus one should affirm that the energy of Cosmic Microwave Background
(CMB) generated primordial gravitational waves. The present article shows that
a gravitational wave with dimensionless amplitude $\sim 10^{-5}$ and large wave
length $\sim 10$ megaparsecs shifts temperature of CMB radiation about of a
part in $10^{5}$.
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