Is Dark Energy the Only Solution to the Apparent Acceleration of the Present Universe?

2001/12/31 by H. Iguchi, Hideo Iguchi, Takashi Nakamura +3 · 5 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #astro-ph #gr-qc #hep-ph

paper · pdf · doi:10.1143/ptp.108.809

published as Prog.Theor.Phys. 108 (2002) 809-818 · 10 pages, 6 figures, Prog. Theor. Phys. in press

arxiv created 2002/10/21 · openalex publication_date 2002/11/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Even for the observed luminosity distance DL(z), which suggests the existence of dark energy, we show that an inhomogeneous dust universe solution without dark energy is possible in general. Future observation of DL(z) for 1 ≲z < 1.7 may confirm or refute this possibility.

Citations

• CMB constraints on spatial variations of the vacuum energy density
• Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

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