RECONSTRUCTING DARK ENERGY
By V. Sahni, A. Starobinsky. 2006
649 citations recorded by the source corpus.
This review summarizes recent attempts to reconstruct the expansion history of the universe and to probe the nature of dark energy. Reconstruction methods can be broadly classified into parametric and non-parametric approaches. It is encouraging that, even with the limited observational data currently available, different approaches give consistent results for the reconstruction of the Hubble parameter H(z) and the effective equation of state w(z) of dark energy. Model independent reconstruction using current data allows for modest evolution of dark energy density with redshift. However, a cosmological constant (= dark energy with a constant energy density) remains an excellent fit to the data. Some pitfalls to be guarded against during cosmological reconstruction are summarized and future directions for the model independent reconstruction of dark energy are explored.
Subfields: Astronomy and Astrophysics, Instrumentation
View Paper: https://www.semanticscholar.org/paper/175710ce67721f8659c142eb5273772a619dd486
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In Astronomy and Astrophysics
- Will J. Percival
- Daniel J. Eisenstein
- A. Riess
- C. Chuang
- D. Schneider
- Christopher J. Conselice
- J. Brownstein
- A. Ross
In Instrumentation
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- Christopher J. Conselice
- S. Faber
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- C. Chuang
- P. V. van Dokkum
- Mark Dickinson
Citations in the corpus
- Beyond the Cosmological Standard Model (2014, neutral): “For reviews of observational tests of GR and dark energy, see [182, 183] and [264, 265], respectively.”
- Type Ia Supernova Distances at Redshift >1.5 from the Hubble Space Telescope Multi-cycle Treasury Programs: The Early Expansion Rate (2017, background): “Some analyses have focused on modelindependent reconstruction of an analytical E(z) function or of other dynamical quantities like the deceleration parameter q(z) (Shafieloo et al. 2006; Sahni & Starobinsky 2006; Shafieloo 2007; Ishida & de Souza 2011).”
- Regular black holes and black universes (2006, background): “is this kind of equation of state that is probably required for the dark energy (DE) component of the material content of the Universe to account for its accelerated expansion (see, e.g., the reviews [24,25] and references therein). Type 4 configurations (we suggest to call them black universes) are,”
- The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: tomographic BAO analysis of DR12 combined sample in Fourier space (2016, methodology): “Therefore, reconstructing w(z) directly from data is an efficient way for DE studies (Sahni & Starobinsky 2006; Zhao et al. 2012; Weinberg et al. 2013).”
- Approaches to understanding cosmic acceleration (2009, background): “To this extent, it is important to explore to what degree one can use LSS to distinguish among all the candidate models of cosmic acceleration and, indeed, whether model-independent approaches are possible [191, 192, 193, 194].”
- Dark Energy and the Accelerating Universe (2008, neutral): “…(Peebles & Ratra 2003), the physics of cosmic acceleration (Uzan 2007), probes of dark energy (Huterer & Turner 2001), dark energy reconstruction (Sahni & Starobinsky 2006), dynamics of dark energy models (Linder 2007), the cosmological constant (Carroll 2001, Carroll, Press & Turner 1992), and…”