The Influence of the Cosmological Expansion on Local Systems | Zendy

F. I. Cooperstock | Zendy; Valerio Faraoni | Zendy; Dan N. Vollick | Zendy

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The Influence of the Cosmological Expansion on Local Systems

Author(s) -

F. I. Cooperstock,

Valerio Faraoni,

Dan N. Vollick

Publication year - 1998

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/305956

Subject(s) - physics , inertial frame of reference , perturbation (astronomy) , equations of motion , metric expansion of space , astrophysics , classical mechanics , fermi gamma ray space telescope , perturbation theory (quantum mechanics) , cosmology , astronomy , dark energy , quantum mechanics

Following renewed interest, the problem of whether the cosmological expansionaffects the dynamics of local systems is reconsidered. The cosmologicalcorrection to the equations of motion in the locally inertial Fermi normalframe (the relevant frame for astronomical observations) is computed. Theevolution equations for the cosmological perturbation of the two--body problemare solved in this frame. The effect on the orbit is insignificant as are theeffects on the galactic and galactic--cluster scales.Comment: To appear in the Astrophysical Journal, Late

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