Penrose's circles in the CMB and a test of inflation

Details Penrose's circles in the CMB and a test of inflation Penrose's circles in the CMB and a test of inflation

2011-07-07

arxiv.org/abs/1107.1421v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages

Scientific paper

We present a calculation of the angular size of the circles in the CMB
predicted by Penrose on the basis of his Conformal Cyclic Cosmology. If these
circles are detected, the existence of an upper limit on their angular radius
would provide a challenge for inflation.

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