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A quantum Newton's cradle

Toshiya Kinoshita, Trevor Wenger and David S. Weiss ()
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Toshiya Kinoshita: The Pennsylvania State University
Trevor Wenger: The Pennsylvania State University
David S. Weiss: The Pennsylvania State University

Nature, 2006, vol. 440, issue 7086, 900-903

Abstract: Cradle to wave Newton's cradle, the popular lecture aid and executive toy, demonstrates the conservation of momentum in one dimension. Now there is a quantum equivalent, created in a one-dimensional Bose gas. In a quantum Newton's cradle, one-dimensional arrays of ultracold rubidium atoms mutually collide thousands of times, bouncing off each other or transmitting through each other, without significant damping. This system may find application in force sensing and atom interferometry.

Date: 2006
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DOI: 10.1038/nature04693

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