File:BEC; Persistent Flow in a Gas (5940429515).jpg

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(a) In a donut, shaped, or 'toroidal' trap, atoms mostly exist in a red ring, and do not reside in the center (blue region), which represents an energy hill they cannot climb. (b) Image of a Bose-Einstein condensate (BEC) in the donut trap. (c) When there is no fluid flow around the donut, and the trap is turned off, atoms (red) rush to the center. (d) When fluid flows around the donut, and the trap is turned off, the current around the donut persists, and does not rush to fill the hole.

Credit: NIST

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Source BEC; Persistent Flow in a Gas
Author National Institute of Standards and Technology

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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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This image was originally posted to Flickr by National Institute of Standards and Technology at https://flickr.com/photos/63059536@N06/5940429515. It was reviewed on 7 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

7 September 2016

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current02:19, 7 September 2016Thumbnail for version as of 02:19, 7 September 20161,050 × 898 (566 KB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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