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11-04 :: April/May 2011

nanotimes News in Brief

77

A Bose-Einstein condensate emmits quantum mechanically correlated atoms in an atom-chip. © Image & Text: Vienna University of Technology

are quantum mechanical copies of each other and only differ by their direction of motion. They form one common quantum object. One atom cannot be mathematically described without also describing the other. “We are going to use these atoms for exci- ting new experiments”, Schmiedmayer enthuses. “A fascinating new field of research is opening up which new insights and possible applications will evolve from. This cannot yet be foreseen. It is conceivable that these correlated atom beams will lead to new quantum measurement methods, with a precision far beyond the scope of classical physics.”

Professor Jörg Schmiedmayer, Institut for Atomic and Sub- atomic Physics, Vienna University of Technology, Stadi- onallee 2, 1020 Vienna, Phone: +43-1-58801-141888: http://www.tuwien.ac.at

Robert Bücker, Julian Grond, Stephanie Manz, Tarik Ber- rada, Thomas Betz, Christian Koller, Ulrich Hohenester, Thorsten Schumm, Aurélien Perrin, Jörg Schmiedmayer: Twin-atom beams, In: Nature Physics AOP, May 01, 2011, DOI:10.1038/nphys1992: http://dx.doi.org/10.1038/nphys1992

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