Sentences with phrase «for primordial gravitational waves»

Shown here is the actual B - mode pattern observed with the BICEP2 telescope, which is consistent with the pattern predicted for primordial gravitational waves.

DUST IN DEPTH The Planck satellite analyzed the same patch of sky, shown here within the white dots, that the BICEP2 telescope measured in a search for primordial gravitational waves.

Yet for primordial gravitational waves, the CMB is not a firewall — it is a window.

Not exact matches

Physicists could look for evidence of other universes using tools designed to measure ripples in spacetime — also known as primordial gravitational waves — that would have been generated by the universe's initial expansion from the Big Bang.

A new study published in Physical Review Letters outlines how scientists could use gravitational wave experiments to test the existence of primordial black holes, gravity wells formed just moments after the Big Bang that some scientists have posited could be an explanation for dark matter.

«If we do more measurements of this type at multiple frequencies, we will be able to separate out the dust signal from the [primordial] signal precisely» and do a more thorough search for gravitational waves.

For instance, physicists will need to be able to show that the polarisation of the CMB is down to the proposed primordial gravitational waves and not the result of some other process.

Wilczek reckons we will not have the sensitivity to detect the influence of primordial gravitational waves in the CMB for at least 10 to 15 years, despite new high - resolution maps from the Planck satellite.

More information: The paper «Primordial black hole scenario for the gravitational wave event GW150914» will appear 28 July 2016 in Physical Review Letters.