Cosmic strings and an improved upper bound on the energy density during inflation

Details Cosmic strings and an improved upper bound on the energy density during inflation Cosmic strings and an improved upper bound on the energy density during inflation

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..196..126l&link_type=abstract

Physics Letters B, Volume 196, Issue 2, p. 126-128.

Physics

20

Scientific paper

The absence of gravitationally bound systems with size 10 Mpc is used to show that the energy density V during inflation satisfies V1/4 < 2 × 10-3 MPl. In the cosmic string scenario of galaxy formation this bound becomes a strong one, which makes it difficult to give the strings enough energy per unit length.

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