Bose-Einstein Condensation in Microgravity
van Zoest, T. and Gaaloul, N. and Singh, Y. and Ahlers, H. and Herr, W. and Seidel, S.T. and Ertmer, W. and Rasel, E. and Eckart, M. and Kajari, E. and Arnold, S. and Nandi, G. and Schleich, W.P. and Walser, R. and Vogel, A. and Sengstock, K. and Bongs, K. and Lewoczko-Adamczyk, W. and Schiemangk, M. and Schuldt, T. and Peters, A. and Könemann, T. and Müntinga, H. and Lämmerzahl, C. and Dittus, H. and Steinmetz, T. and Hänsch, T.W. and Reichel, J. (2010) Bose-Einstein Condensation in Microgravity. Science, 328, pp. 1540-1543. American Association for the Advancement of Science, New York,Washington D.C.. DOI: 10.1126/science.1189164. ISSN 0036-8075.
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Albert Einstein’s insight that it is impossible to distinguish a local experiment in a “freely falling elevator” from one in free space led to the development of the theory of general relativity. The wave nature of matter manifests itself in a striking way in Bose-Einstein condensates, where millions of atoms lose their identity and can be described by a single macroscopic wave function. We combine these two topics and report the preparation and observation of a Bose-Einstein condensate during free fall in a 146-meter-tall evacuated drop tower. During the expansion over 1 second, the atoms form a giant coherent matter wave that is delocalized on a millimeter scale, which represents a promising source for matter-wave interferometry to test the universality of free fall with quantum matter.
|Title:||Bose-Einstein Condensation in Microgravity|
|Journal or Publication Title:||Science|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1540-1543|
|Publisher:||American Association for the Advancement of Science, New York,Washington D.C.|
|Keywords:||Bose-Einstein condensation, microgravity|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W - no assignement|
|DLR - Research area:||Space|
|DLR - Program:||W - no assignement|
|DLR - Research theme (Project):||W -- no assignement (old)|
|Institutes and Institutions:||Institute of Space Systems|
|Deposited By:||Prof.Dr. Hansjörg Dittus|
|Deposited On:||17 Jan 2011 19:18|
|Last Modified:||26 Mar 2013 13:26|
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