Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N65: Bose-Einstein Condensates I: Interferometry, and Nonlinear Waves
11:30 AM–2:30 PM,
Wednesday, March 8, 2023
Room: Room 414
Sponsoring
Unit:
DAMOP
Chair: Yiqi Wang, Yale University
Abstract: N65.00003 : Sensitivity of a Double-Target BEC Rotation Sensor*
11:54 AM–12:06 PM
Presenter:
Mark A Edwards
(Georgia Southern University)
Author:
Mark A Edwards
(Georgia Southern University)
A rectangular array of double-target Bose-Einstein condensates (BECs) can act as a rotation sensor. The purpose of the sensor is to measure the angular velocity, ΩR, of the sensor's rest frame with respect to the "fixed stars." A "target" BEC consists of a ring BEC surrounding an inner disk condensate. A "double-target" has two target BECs whose ring condensates overlap each like a figure eight. The sensor operating cycle includes (1) Setup where the array of double-target condensates are formed, (2) Initialization where one unit of flow is induced in the top ring of each double-target BEC, (3) Measurement where a barrier is erected across the overlap region of each double-target BEC, and (5) Readout where the trap potential is turned off and an image is taken. The value of ΩR can be extracted from this image by finding the double-target BECs where the flow has transferred from the top to the bottom ring. We describe the details of this atomtronic rotation sensor idea and present the potential sensitivity of the device.
*This work was funded in part by the US National Science Foundation grants PHY-1707776 and PHY-2207476
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