The Origin of the Density Fluctuations in De Sitter Space

Details The Origin of the Density Fluctuations in De Sitter Space The Origin of the Density Fluctuations in De Sitter Space

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pthph..77.1163m&link_type=abstract

Progress of Theoretical Physics, Vol. 77, No. 5, pp. 1163-1177

Physics

8

Scientific paper

As the origin of the large scale structure in the universe, statistical fluctuations of a c-number scalar field are evaluated on the basis of the double time-contour path integral method. The source of the fluctuation is a backreaction of spontaneous particle production in de Sitter space. The evaluated fluctuations are quite different from the ordinary quantum fluctuations and are proportional to the particle production rate.

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