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Kavli Institute for the Physics and Mathematics of the Universe

A hint of new physics in polarized radiation from the early Universe

23 Nov 2020, 19:00 UTC
A hint of new physics in polarized radiation from the early Universe Y. Minami / KEK

Using Planck data from the cosmic microwave background radiation, an international team of researchers has observed a hint of new physics. The team developed a new method to measure the polarization angle of the ancient light by calibrating it with dust emission from our own Milky Way. While the signal is not detected with enough precision to draw definite conclusions, it may suggest that dark matter or dark energy causes a violation of the so-called “parity symmetry.” 

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