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Phase-Space analysis of Teleparallel Dark Energy

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arxiv 1202.3781 v2 pith:7XUIMPZJ submitted 2012-02-15 gr-qc hep-th

Chen Xu (CUPT , Chongqing) , Emmanuel N. Saridakis (Natl. Tech. U. , Athens , Baylor U.) , Genly Leon (Havana , Central de Las Villas U.) This is my paper · ORCID
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keywords darkenergyteleparallelanalysisdynamicallate-timesolutionabove
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We perform a detailed dynamical analysis of the teleparallel dark energy scenario, which is based on the teleparallel equivalent of General Relativity, in which one adds a canonical scalar field, allowing also for a nonminimal coupling with gravity. We find that the universe can result in the quintessence-like, dark-energy-dominated solution, or to the stiff dark-energy late-time attractor, similarly to standard quintessence. However, teleparallel dark energy possesses an additional late-time solution, in which dark energy behaves like a cosmological constant, independently of the specific values of the model parameters. Finally, during the evolution the dark energy equation-of-state parameter can be either above or below -1, offering a good description for its observed dynamical behavior and its stabilization close to the cosmological-constant value.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. 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. Higgs-like inflation in scalar-torsion $f(T,\phi)$ gravity in light of ACT-SPT-DESI constraints

    gr-qc 2025-12 conditional novelty 5.0 of 10

    Higgs-like inflation in f(T,φ) torsion gravity can accommodate the ACT/DESI upward shift in the scalar spectral index while predicting a tensor-to-scalar ratio r≈0.01–0.04.

  3. Constraining cosmological dynamics of scalar-tensor models of dark energy in teleparallel gravity

    gr-qc 2025-07 conditional novelty 4.0 of 10

    For scalar-tensor teleparallel dark energy with f(phi) proportional to (phi+c)^2 and V(phi) proportional to f(phi)^lambda, a viable trajectory needs lambda much greater than 1 and zeta^2 much less than 1.

  4. Bouncing Cosmology in Interacting Scalar-Torsion Gravity

    gr-qc 2025-08 conditional novelty 3.0 of 10

    Two interacting scalar-torsion models are shown, by tuned numerical construction, to host a matter bounce with phantom equation of state and NEC violation at the bounce epoch.

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