Cosmology in a String-Dominated Universe | Zendy

David N. Spergel | Zendy; UeLi Pen | Zendy

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Cosmology in a String-Dominated Universe

Author(s) -

David N. Spergel,

UeLi Pen

Publication year - 1997

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/311074

Subject(s) - physics , universe , string (physics) , theoretical physics , astrophysics , cosmology , redshift , cosmic microwave background , flatness problem , string theory , de sitter universe , steady state theory , quantum mechanics , anisotropy , galaxy

The string-dominated universe locally resembles an open universe, and fitsdynamical measures of power spectra, cluster abundances, redshift distortions,lensing constraints, luminosity and angular diameter distance relations andmicrowave background observations. We show examples of networks which mightgive rise to recent string-domination without requiring any fine-tunedparameters. We discuss how future observations can distinguish this model fromother cosmologies.Comment: 17 pages including 4 figures, of which one is in colo

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