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Amelino-Camelia, G; Aplin, K; Arndt, M; Barrow, J D; Bingham, R J; Borde, C; Bouyer, P; Caldwell, M; Cruise, A M; Damour, T; D'Arrigo, P; Dittus, H; Ertmer, W; Foulon, B; Gill, P; Hammond, G D; Hough, J; Jentsch, C; Johann, U; Jetzer, P; Klein, H; Lambrecht, A; Lamine, B; Laemmerzahl, C; Lockerbie, N; Loeffler, F; Mendonca, J T; Mester, J; Ni, W T; Pegrum, C; Peters, A; Rasel, E; Reynaud, S; Shaul, D; Sumner, T J; Theil, S; Torrie, C; Touboul, P; Trenkel, C; Vitale, S; Vodel, W; Wang, C; Ward, H; Woodgate, A (2009). GAUGE: the GrAnd Unification and Gravity Explorer. Experimental Astronomy, 23(2):549-572.

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The GAUGE (GrAnd Unification and Gravity Explorer) mission proposes to use a drag-free spacecraft platform onto which a number of experiments are attached. They are designed to address a number of key issues at the interface between gravity and unification with the other forces of nature. The equivalence principle is to be probed with both a high-precision test using classical macroscopic test bodies, and, to lower precision, using microscopic test bodies via cold-atom interferometry. These two equivalence principle tests will explore string-dilaton theories and the effect of space–time fluctuations respectively. The macroscopic test bodies will also be used for intermediate-range inverse-square law and an axion-like spin-coupling search. The microscopic test bodies offer the prospect of extending the range of tests to also include short-range inverse-square law and spin-coupling measurements as well as looking for evidence of quantum decoherence due to space–time fluctuations at the Planck scale.


6 citations in Web of Science®
13 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Uncontrolled Keywords:Fundamental physics; Space mission; Equivalence principle; Mass-spin coupling; Atom interferometry
Date:March 2009
Deposited On:27 Feb 2010 16:10
Last Modified:05 Apr 2016 13:56
Publisher DOI:10.1007/s10686-008-9086-9

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