Coherent vortex dynamics in a strongly interacting superfluid on a silicon chip
Abstract
When stirred, superfluids react by creating quantized vortices. Studying the dynamics of these vortices, especially in the strongly interacting regime, is technically challenging. Sachkou et al. developed a technique for the nondestructive tracking of vortices in thin films of superfluid helium-4. Their system contained a microtoroid optical cavity coated by a thin film of helium-4, in which vortices were created by using laser light. When imaging the subsequent dynamics of the vortices, the researchers found that coherent dynamics strongly dominated over dissipation.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Dec 20, 2019
- Source ID
- 10.1126/science.aaw9229
Entities
People
- Ashton S. Bradley
- Christopher Baker
- David L. Mcauslan
- Glen I Harris
- Matthew J. Davis
- Matthew T Reeves
- Oliver R Stockdale
- Stefan Forstner
- Warwick Bowen
- Xin He
- Yauhen P Sachkou
Organizations
- Army Research Office
- Dodd-Walls Centre for Photonic and Quantum Technologies
- University of Queensland