Publication Date:
2011-03-29
Description:
Author(s): A. Ramanathan, K. C. Wright, S. R. Muniz, M. Zelan, W. T. Hill, III, C. J. Lobb, K. Helmerson, W. D. Phillips, and G. K. Campbell We have created a long-lived (≈40 s) persistent current in a toroidal Bose-Einstein condensate held in an all-optical trap. A repulsive optical barrier across one side of the torus creates a tunable weak link in the condensate circuit, which can affect the current around the loop. Superflow s... [Phys. Rev. Lett. 106, 130401] Published Mon Mar 28, 2011
Keywords:
General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.
Print ISSN:
0031-9007
Electronic ISSN:
1079-7114
Topics:
Physics