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Nature 395, 639-641 (15 October 1998) | doi:10.1038/27078
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Cosmology: New troubles for inflation?
Marc Kamionkowski1 & Andrew H. Jaffe2
In the very early Universe, gravity may briefly have become a repulsive, rather than an attractive, force. The ensuing period of ultra-rapid expansion — called 'inflation'1,3 — could account for some of the fundamental features of the Universe, such as the remarkable smoothness of the 2.
- Marc Kamionkowski is in the Department of Physics, Columbia University, 538 West 120th Street, New York, New York 10027, USA.
e-mail: Email: kamion@phys.columbia.edu - Andrew H. Jaffe is at the Center for Particle Astrophysics, University of California, 301 Le Conte, Berkeley, California 94720, USA.
e-mail: Email: jaffe@cfpa.berkeley.edu
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