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Vortex Dynamics in Ultracold Quantum Mixtures


   Department of Physics

  Dr Kali Wilson  Applications accepted all year round  Funded PhD Project (Students Worldwide)

About the Project

Project to start Oct 2022. Applications accepted until position is filled.

In a quantum many-body system the interactions between the constituent microscopic particles lead to emergent macroscopic phenomena such as superfluidity (fluid flow without viscosity) and superconductivity (conduction of electricity without resistance). Novel phases such as high-temperature superconductivity form the basis of quantum materials, where useful emergent properties can lead to new technologies. Studying the dynamics of vortices (quantum whirlpools) can give key insight into the inner workings of these systems. Superfluids formed of ultracold atoms provide an extremely clean and well-controlled system for studies of collective quantum behaviour, with exquisite control over interactions, geometry, and rotation (vorticity). Importantly, in superfluids formed of mixtures of ultracold atoms we can tune the interactions to emphasize quantum effects such as fluctuations.

A key aim of this research project is to explore regimes where the dynamics of the superfluid depends on its inherent quantum nature, driving our fundamental understanding of superfluidity as a collective quantum phenomenon. You will work closely with the supervisor to develop a state-of-the-art experimental apparatus to explore vortex dynamics in binary superfluids, with a particular emphasis on reduced dimensionality (e.g., quasi-2D disc, or quasi-1D ring geometries) where quantum fluctuations are enhanced.

You will also acquire practical skills in the areas of quantum technologies, optics and atomic physics. These skills include working with lasers, designing optical systems, high-resolution imaging and image processing, cooling and trapping atoms, as well as electronics and mechanical design.  

Applications should have a good first degree (minimum BSc 2:1, Masters preferred) or equivalent in Physics or a closely related subject. A background in quantum optics or atomic physics is desirable. Practical lab skills (e.g. optics, electronics) or programming experience would be highly useful but not mandatory.

For more information on our recent research see https://eqop.phys.strath.ac.uk/people/kali-wilson/

Information on Strathclyde’s EDI policies can be found here https://www.strath.ac.uk/professionalservices/accessequalityinclusionservice/equalitydiversity/


Funding Notes

Fully-funded scholarship for 3.5 years covers all university tuition fees (at UK level) and an annual tax-free stipend. Competitive international candidates may be provided with additional funding to cover international tuition fees. Please contact the supervisor for details.

References

https://arxiv.org/abs/2109.12945
https://doi.org/10.1103/PhysRevA.93.023603 (preprint: https://arxiv.org/abs/1508.05110)
https://www.science.org/doi/10.1126/science.aao5686 (preprint: https://arxiv.org/abs/1708.07806)

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