Influence of global cosmological expansion on local dynamics and kinematics

Matteo Carrera and Domenico Giulini
Rev. Mod. Phys. 82, 169 – Published 28 January 2010

Abstract

Attempts to estimate the influence of global cosmological expansion on local systems are reviewed. Here “local” is taken to mean that the sizes of the considered systems are much smaller than cosmologically relevant scales. For example, such influences can affect orbital motions as well as configurations of compact objects, like black holes. Also discussed are how measurements based on the exchange of electromagnetic signals of distances, velocities, etc. of moving objects are influenced. As an application, orders of magnitude of such effects are compared with the scale set by the apparently anomalous acceleration of the Pioneer 10 and 11 spacecrafts, which is 109ms2. There is no reason to believe that the latter is of cosmological origin. However, the general problem of gaining a qualitative and quantitative understanding of how the cosmological dynamics influences local systems remains challenging, with only partial clues being so far provided by exact solutions to the field equations of general relativity.

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    DOI:https://doi.org/10.1103/RevModPhys.82.169

    ©2010 American Physical Society

    Authors & Affiliations

    Matteo Carrera*

    • Institute of Physics, University of Freiburg, Hermann-Herder-Straße 3, D-79104 Freiburg, Germany

    Domenico Giulini

    • Institute for Theoretical Physics, University of Hanover, Appelstraße 2, D-30167 Hannover, Germany

    • *matteo.carrera@physik.uni-freiburg.de
    • Also at the Center of Applied Space Technology and Microgravity (ZARM), University of Bremen, Am Fallturm 1, D-28359 Bremen, Germany. domenico.giulini@itp.uni-hannover.de

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    Issue

    Vol. 82, Iss. 1 — January - March 2010

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