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Atomic-phase interference devices based on ring-shaped Bose-Einstein condensates: Two-ring case B. P. Anderson,1
 

Summary: Atomic-phase interference devices based on ring-shaped Bose-Einstein condensates: Two-ring case
B. P. Anderson,1
K. Dholakia,2
and E. M. Wright1,2,
*
1
Optical Sciences Center, University of Arizona, Tucson, Arizona 85721
2
School of Physics & Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, Scotland, United Kingdom
Received 12 September 2002; published 11 March 2003
We theoretically investigate the ground-state properties and quantum dynamics of a pair of adjacent ring-
shaped Bose-Einstein condensates that are coupled via tunneling. This device, which is the analog of a
symmetric superconducting quantum interference device, is the simplest version of what we term an atomic-
phase interference device APHID . The two-ring APHID is shown to be sensitive to rotation.
DOI: 10.1103/PhysRevA.67.033601 PACS number s : 03.75.Hh
I. INTRODUCTION
The last few years have witnessed magnificent advances
in the preparation, manipulation, and exploration of atomic
Bose-Einstein condensates BECs . These quantum-
degenerate systems offer an excellent experimental platform

  

Source: Anderson, Brian P. - Optical Sciences Center, University of Arizona

 

Collections: Physics