| EPSRC Reference: |
GR/L06591/01 |
| Title: |
QUANTUM FLUIDS IN HIGH MAGNETIC FIELDS |
| Principal Investigator: |
Owers-Bradley, Professor JR |
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| Department: |
Sch of Physics & Astronomy |
| Organisation: |
University of Nottingham |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
10 February 1997 |
Ends: |
09 August 2000 |
Value (£): |
191,950
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Summary on Grant Application Form |
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An apparatus designed to cool matter to ultra-low temperatures (less than 1 millikelvin) in very high magnetic fields (up to 12 tesla) has recently been completed. We plan to use this cryostat to study dilute solutions of 3-He in superfluid 4-He and the high field phases of superfluid 3-He. It will now be possible to generate sufficiently high nuclear spin polarisation in dilute helium solutions (above 90%) to be able to induce very large increases in the macroscopic transport properties. We propose to measure the field dependence of the viscosity of very dilute solutions which is expected to show an increase with field of more than an order of magnitude. Nmr experiments provide an enormous amount of information about the spin dynamics of the 3-He spins. We shall investigate anisotropic spin diffusion, spin rotation effects including multiple spin echoes and spin instabilities in the highly polarised dilute solutions. We also plan to study the A1 and A2 phases of superfluid 3-He. In the A1 phase we shall investigate the unusual spin pairing of the Cooper pairs by measuring the attenuation and velocity of spin entropy waves.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.nottingham.ac.uk |