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  • 1
    Electronic Resource
    Electronic Resource
    Recovering the Effective Cosmological Constant in Extended Gravity Theories (1998)
    Springer
    General relativity and gravitation 30 (1998), S. 1247-1272 
    Details
    ISSN: 1572-9532
    Keywords: INFLATIONARY MODES ; HIGHER-ORDER GRAVITY
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the framework of extended gravity theories, we discuss the meaning of a time-dependent “cosmological constant” and give a set of conditions to recover an asymptotic de Sitter behaviour for a class of cosmological models independently of initial data. To this purpose we introduce a time-dependent (effective) quantity which asymptotically becomes the true cosmological constant. We will deal with scalar-tensor, fourth and higher than fourth-order theories.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1026651129626
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