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Details of Grant 

EPSRC Reference: GR/S62109/01
Title: Quantum Fluids & other Matter in the Zero-Temperature Limit
Principal Investigator: Pickett, Professor G
Other Investigators:
Fisher, Professor SN Guenault, Professor AM Haley, Professor RP
Bradley, Dr DI
Researcher Co-Investigators:
Project Partners:
Department: Physics
Organisation: Lancaster University
Scheme: Standard Research (Pre-FEC)
Starts: 01 February 2004 Ends: 31 July 2007 Value (£): 472,440
EPSRC Research Topic Classifications:
Quantum Fluids & Solids
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
We aim to make fundamental measurements on the various 3He superfluids and the phase boundaries and transitions between them at the lowest attainable temperatures where the liquids are essentially pure condensates. We will exploit our own unique advanced techniques for temperature and energy measurement, for the manipulation of the superfluid phase boundaries, and for the visualisation of superfluid 3He quantum voracitySpecific plans include (among other things): 1. A superfluid 3He cell on which we can impress a severe magnetic field minimum. This will allow us to levitate a bubble of B phase within the A phase isolated from contact with walls. This provides us with an ideal 'pure' nucleation setup. 2. Using the shaped fields possible with this cell we intend to examine the thermal conductance of a stack of alternating A-B, B-A interfaces. 3. We intend to continue our studies of localised voracity and to make a mufti-pixel vorticity'camera' to observe the evolution of a tangle of vortices via its projected timevarying image (the vortex 'video'). 4. We hope to use the field-minimum cell to trap vorticity within the closed phase interface of the levitated B phase and study the leakage or otherwise of the vorticity across the phase boundary (the vortex 'cage').
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Organisation Website: http://www.lancs.ac.uk