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How to Test Stringy Dark Energy?

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arxiv astro-ph/0209037 v2 pith:Y5HZSYYT submitted 2002-09-02 astro-ph gr-qchep-phhep-th

classification astro-phgr-qchep-phhep-th
keywords cosmologicaldarkenergystringyacceleratingbrieflyconsideredconstant
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

It is suggested, by using a covariant lagrangian formalism to estimate the equation of state $w = p/\rho$, that stringy dark energy predicts $w < -1$, a negative pressure larger in magnitude than that for a cosmological constant or quintessence. This would lead to a later transition from decelerating to accelerating cosmological expansion; $w = - 4/3$ is briefly considered as one illustrative example.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 97 citations worldwide. Full citation record

  1. Multi-Messenger Cosmology: A Route to Accurate Inference of Dark Energy Beyond CPL Parametrization from XG Detectors

    astro-ph.CO 2024-12 conditional novelty 5.0 of 10

    A simulation forecast claims CE+ET bright standard sirens can measure dark energy EoS parameters with sigma(w0)=0.010, sigma(wa)=0.049, sigma(wb)=0.072, better than other planned probes.

  2. Quintom Model Perturbations

    astro-ph.CO 2026-06 unverdicted novelty 4.0 of 10

    A two-field quintom model reproduces w0waCDM perturbation features and is mildly favored over it in Bayesian fits to BAO, CMB, and SNIa data.

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