Author(s): Grigor Aslanyan, Layne C. Price, Jenni Adams, Torsten Bringmann, Hamish A. Clark, Richard Easther, Geraint F. Lewis, and Pat Scott
Searches for ultracompact clumps of cold dark matter have come up empty, but these nondetections place new limits on the early expansion history of the Universe.
[Phys. Rev. Lett. 117, 141102] Published Wed Sep 28, 2016