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Quantum fluids flex their muscles

Speaker: Nick Parker (Newcastle)
Date: Wednesday 7 November 2018
Time: 15:00
Venue: Queens Buildings N/3.28

Aeronautical engineer Kuchemann described vortices as the muscles of fluid motion. We are interested in how these muscles behave in quantum fluids. These fluids are remarkable in that they are free from viscosity, and any vortices are constrained to have fixed size and strength. In effect, they are an idealisation of conventional fluids. How then does a quantum fluid flow and swirl? In what ways is this similar or distinct to the classical case? And can it help us to understand the great unsolved problem of classical turbulence? Recent results in superfluid atomic gases and superfluid helium are providing insight into these questions. I will discuss these, as well as opportunities to create an even more exotic fluid, the quantum ferrofluid