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- T van Zoest, Naceur Gaaloul, +25 authors Jakob Reichel
- Science
- 2010

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… (More)

- H Müntinga, H. Ahlers, +41 authors Ernst M. Rasel
- Physical review letters
- 2013

Atom interferometers covering macroscopic domains of space-time are a spectacular manifestation of the wave nature of matter. Because of their unique coherence properties, Bose-Einstein condensates are ideal sources for an atom interferometer in extended free fall. In this Letter we report on the realization of an asymmetric Mach-Zehnder interferometer… (More)

— We compare and contrast the different points of view of rotation in general relativity, put forward by Mach, Thirring and Lense, and Gödel. Our analysis relies on two tools: (i) the Sagnac effect which allows us to measure rotations of a coordinate system or induced by the curvature of spacetime, and (ii) computer visualizations which bring out the alien… (More)

Endre Kajari,1 Alexander Wolf,1 Eric Lutz,2,3 and Giovanna Morigi1,4 1Theoretische Physik, Universität des Saarlandes, D-66123 Saarbrücken, Germany 2Department of Physics, University of Augsburg, D-86135 Augsburg, Germany 3Dahlem Center for Complex Quantum Systems, FU Berlin, D-14195 Berlin, Germany 4Grup d’Òptica, Departament de Fı́sica, Universitat… (More)

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