Probing MOND with RadioAstronтезисы доклада

Дата последнего поиска статьи во внешних источниках: 26 декабря 2015 г.

Работа с тезисами доклада

[1] Litvinov D., Poraiko N., Rudenko V. Probing mond with radioastron // Abstracts of XIIth International Conference on Gravitation, Astrophysics and Cosmology (ICGAC-12). — Vol. 1. — РУДН Москва, 2015. — P. 125. According to Modified Newtonian Dynamics (MOND) theories, electromagnetic signals travelling in the vicinity of saddle points of the gravitation potential experience anomalous time delays [1]. The delays caused by the Earth-Sun and Earth-Moon saddles could be probed by Lunar Laser Ranging while the Jupiter-Sun saddle has been proposed as the most natural target for VLBI. We discuss the prospects for the latter kind of experiment using the known population of quasars and pulsars as possible observational targets to be obscured by the Jupiter-Sun saddle. We also propose using space VLBI (SVLBI) for probing MOND which makes the Earth-Sun and Earth-Moon saddles available for observations. We find that although the effects due to these two saddles are smaller, the closer proximity of a saddle to an observing space radio telescope makes this kind of experiment more feasible. Finally we present the results of our investigations regarding the possibility of using the space radio telescope RadioAstron in the proposed experiment. [1] Magueijo, M. and Mozaffari, A. Class. Quantum Grav. 30, 092002 (2013).

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