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Browsing by Subject "Cosmological constant"

Browsing by Subject "Cosmological constant"

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  • Dark matter, dark energy, and alternate models: A review 
    Arun, k; Gudennavar, S.B; Sivaram, C (Elsevier B.V, 2017-07)
    The nature of dark matter (DM) and dark energy (DE) which is supposed to constitute about 95% of the energy density of the uni-verse is still a mystery. There is no shortage of ideas regarding the nature of both. While ...
  • Holography, dark energy and entropy of large cosmic structures 
    Sivaram, C; Arun, K (Springer, 2013-11)
    As is well known, black hole entropy is proportional to the area of the horizon suggesting a holographic principle wherein all degrees of freedom contributing to the entropy reside on the surface. In this note, we point ...
  • Hundred Years of Einstein's Cosmological Constant 
    Sivaram, C; Arun, K; Kiren, O. V; Sivaram, C (Isaac Scientific Publishing, 2018-06)
    It was little over a hundred years ago that Einstein introduced the ‘cosmological constant’ in his General Theory of Relativity in order to obtain a static universe, to conform to the philosophical view of the universe ...
  • Torsion, wormholes, and the problem of the Cosmological constant 
    de Sabbata, V; Sivaram, C (Springer, 1991-02)
    We consider the effect of torsion in the early universe to see if it is possible to explain the small value (if not zero) of the Cosmological constant at the present time. For the gauge-theoretic formulation of the ...

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