Quintessence Cosmology and Varying  | Zendy

Takeshi Chiba | Zendy; Kazunori Kohri | Zendy

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Quintessence Cosmology and Varying

Author(s) -

Takeshi Chiba,

Kazunori Kohri

Publication year - 2002

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.107.631

Subject(s) - quintessence , physics , cosmology , qsos , fine structure constant , astrophysics , cosmological constant , limit (mathematics) , theoretical physics , dark energy , redshift , galaxy , quantum mechanics , mathematical analysis , mathematics , electron

If the reported measurements of the time variation of the fine structureconstant from observations of distant QSOs are correct, combined with the Oklolimit they would strongly constrain the class of the quintessence potential. Ifthese results prove valid, future satellite experiment (STEP) should measurethe induced violation of the weak equivalence principle. Future cosmologicalobservations of nearby $(z \siml 0.5)$ absorption systems would make it clearwhether the variation is significant or not.Comment: 7 page

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