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The oscillating dark energy: future singularity and coincidence problem

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arxiv hep-th/0603062 v4 pith:G2GGJMIS submitted 2006-03-08 hep-th astro-phgr-qchep-ph

Shin'ichi Nojiri , Sergei D. Odintsov This is my paper · ORCID
classification hep-thastro-phgr-qchep-ph
keywords darkenergyoscillatingaccelerationcoincidencefuturephantomproblem
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We consider the oscillating dark energy with periodic equation of state in two equivalent formulations: ideal fluid or scalar-tensor theory. It is shown that such dark energy suggests the natural way for the unification of early-time inflation with late-time acceleration. We demonstrate how it describes the transition from deceleration to acceleration or from non-phantom to phantom era and how it solves the coincidence problem. The occurence of finite-time future singularity for the oscillating (phantom) universe is also investigated.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 137 citations worldwide. Full citation record

  1. An Interplay Between Fractional Calculus and Holographic Dark Energy

    gr-qc 2026-06 unverdicted novelty 5.0 of 10

    Introduces Fractional Holographic Dark Energy (FHDE) via fractionally corrected entropy from a modified Wheeler-DeWitt equation and studies its late-time cosmology, field reconstructions, and extensions to modified gr...

  2. Restoration of the Lorentz symmetry of particle propagator in the ghost condensate model

    gr-qc 2025-09 conditional novelty 3.0 of 10

    Choosing the Lorentz-violating tensor with spatial components Bii = -3B00 makes the quadratic kinetic term Lorentz invariant, giving the phantom excitation the dispersion omega^2 = k^2 for any background.

  3. Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

    gr-qc 2017-05 accept novelty 2.0 of 10

    Modified gravity theories supply viable mathematical frameworks for inflation, bounces, and dark energy eras that match observational data.

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