Ertmer, W. and Schubert , C. and Wendrich, T. and Gilowski, M. and Zaiser, M. and v. Zoest, T. and Rasel, E. and Bordé, Ch.J. and Clairon, A. and Landragin, A. and Laurent, P. and Lemonde, P. and Santarelli, G. and Schleich, W. and Cataliotti, F.S. and Inguscio, M. and Poli, N. and Sorrentino, F. and Modugno, C. and Tino, G.M. and Gill , P. and Klein, H. and Margolis, H. and Reynaud, S. and Salomon, C. and Lambrecht, A. and Peik, E. and Jentsch, C. and Johann, U. and Rathke, A. and Bouyer, P. and Cacciapuoti, L. and De Natale, P. and Christophe, B. and Foulon, B. and Touboul, P. and Maleki, L. and Yu, N. and Turyshev, S.G. and Anderson, J.D. and Schmidt-Kaler, F. and Walser, R. and Vigué, J. and Büchner, M. and Angonin, M.-C. and Delva, P. and Tourrenc, P. and Bingham, R. and Kent, B. and Wicht, A. and Wang, L.J. and Bongs, K. and Dittus, H. and Lämmerzahl, C. and Theil, S. and Sengstock, K. and Peters, A. and Müller, T. and Arndt, M. and Iess, L. and Bondu, F. and Brillet, A. and Samain, E. and Chiofalo, M.L. and Levi, F. and Calonico, D. (2009) Matter Wave Explorer of Gravity (MWXG). Experimental Astronomy, pp. 611-649. Springer. DOI: DOI 10.1007/s10686-008-9125-6. ISSN 0922-6435.
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In response to ESA´s Call for proposalsof 5 March 2007 of the COSMIC VISION 2015-2025 plan of the ESA science programme, we propose a M-class satellite mission to test the Equivalence Principle in the quantum domain by investigating the extend free fall of matter waves instead of macroscopic bodies as in the case of GAUGE, MICROSCOPE or STEP. The satellite, called Matter Wave Explorer of Gravity, will carry an experiment to test gravity, namely the measurement of the equal rate of free fall with various isotopes of distinct atomic species with precision cold atom interferometry in the vicinity of the earth. This will allow for a first quantum test of the Equivalence with spin polarized particles and with pure fermionic and bosonic atomic ensembles. Due to teh space conditions, the free fall of Rubidium and Potassium isotopes will be compared with a maximum accelerational sensitivity of 5 x 10^-16 m/s^2 corresponding to an accuracy of the test of the Equivalence Principle of 1 part in 10^16. Besides the primary scientific goal, the quantum test of the Equivalence Principle, the mission can be extended to provide additional information about the gravitational field of the earth or for testing theories of fundamental processes of decoherence which are investigated by various theory groups in the context of quantum gravity phenomenology. In this proposal we present in detail the mission objectives and the technical aspects of the proposed mission.
|Title:||Matter Wave Explorer of Gravity (MWXG)|
|Journal or Publication Title:||Experimental Astronomy|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 611-649|
|Keywords:||Test of equivalence principle, Fundamental physics, General relativity, Atom interferometry, MWXG|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W - no assignement|
|DLR - Research area:||Space|
|DLR - Program:||W - no assignement|
|DLR - Research theme (Project):||W -- no assignement (old)|
|Location:||Berlin-Adlershof , Bremen|
|Institutes and Institutions:||Institute of Space Systems|
|Deposited By:||Prof.Dr. Hansjörg Dittus|
|Deposited On:||08 Mar 2010 12:32|
|Last Modified:||04 Apr 2013 16:21|
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