Phys. Rev. A 71, 024101 (2005) [2 pages]Testing quantum superpositions of the gravitational field with Bose-Einstein condensatesReceived 22 October 2004; published 7 February 2005 We consider the gravity field of a Bose-Einstein condensate in a quantum superposition. The gravity field then is also in a quantum superposition, which is in principle observable. Hence we have “quantum gravity” far away from the so-called Planck scale. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.024101
DOI:
10.1103/PhysRevA.71.024101
PACS:
03.65.−w
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