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Comment on String-Dominated Universe(SDU).

Author
Turner, M. S.
Published
United States : [publisher not identified], 1984
Springfield, Va.: National Technical Information Service, [approximately 1984]
Physical Description
microfiche : negative ; 11 x 15 cm

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Summary
Theoretical prejudice favors the flat(k=0) cosmology, and the inflationary Universe scenario implements this prejudice in a natural way. For the k=0 model ..cap omega.. (defined as rho total/rho critical; rho total = rho NR + rho vac + rho R + rho S) = 1. However, observational data suggests: ..cap omega../sub OBS/ approx. = 0.2' +- 0.1', where +- 0.1 indicates the range of values reported. This discrepancy is known as the ..cap omega..-problem. A number of solutions have been suggested: ..cap omega../sub OBS/ is determined by assuming that light (i.e., galaxies) traces mass - perhaps this assumption is not valid; ..cap omega../sub OBS/ is not sensitive to a smoothly-distributed component of mass density - perhaps most of the mass density resides in a smooth component. Candidates for the smooth component include: relativistic particles (rho/sub R/), a relic cosmological term (rho/sub vac/), and in a recent letter Vilenkin has suggested fast-moving strings (rho/sub S/).
Report Numbers
DE85002184; FNAL/Pub-84/91-A
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AC02-76CH03000
OSTI Identifier 6442032
Research organization: Chicago Univ., IL (USA). Enrico Fermi Inst.
Research organization: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States).
View MARC record | catkey: 47347253