| EPSRC Reference: |
GR/L38578/01 |
| Title: |
PHENOMENOLOGICAL THEORY FOR HIGH-TC SUPERCONDUCTORS |
| Principal Investigator: |
Moore, Professor MA |
| Other Investigators: |
|
| Researcher Co-Investigators: |
|
| Project Partners: |
|
| Department: |
Physics & Astronomy |
| Organisation: |
Victoria University of Manchester, The |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
10 October 1997 |
Ends: |
09 October 2000 |
Value (£): |
102,482
|
| EPSRC Research Topic Classifications: |
|
| EPSRC Industrial Sector Classifications: |
| No relevance to Underpinning Sectors |
|
|
| Related Grants: |
|
| Panel History: |
|
|
Summary on Grant Application Form |
|
I propose to extend a recently proposed approach to High Tc phenomenology (where it was argued that the vortex liquid state is the only true thermodynamic state of high-temperature superconductors in a field) to dynamics and treat within the same framework disorder, whether it be due to point defects, columnar pins, twin planes or surfaces. It is expected that neutron structure factors will also be calculated. My hope is that it will be possible to give a completely quantitative treatment of the phase diagram, both with and without disorder. Multi-terminal (flux transformer) transport measurements have provided a lot of information on non-local conductivities as a function of field and temperature and it is hoped to make sense of this wealth of information. Non-linear effects are also very visible in the same data and I hope to develop a suitable theory.The coupling of the underlying crystal lattice to the vortex lattices, by either d-wave pairing or magnetoelestic effects orientates the flux lattice with respect to the crystal. Calculations of the consequences of this coupling within the framework of the new approach are proposed.
|
|
Key Findings |
|
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
|
|
Potential use in non-academic contexts |
|
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
|
|
Impacts |
|
| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
|
| Date Materialised |
|
|
|
|
Sectors submitted by the Researcher |
|
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
|
| Project URL: |
|
| Further Information: |
|
| Organisation Website: |
|