| EPSRC Reference: |
GR/R76714/02 |
| Title: |
New paradigms of collective quantum behaviour in frustrated and disordered quantum magnets |
| Principal Investigator: |
Coldea, Dr R |
| Other Investigators: |
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| Researcher Co-Investigators: |
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| Project Partners: |
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| Department: |
Physics |
| Organisation: |
University of Bristol |
| Scheme: |
Advanced Fellowship (Pre-FEC) |
| Starts: |
01 September 2005 |
Ends: |
31 October 2007 |
Value (£): |
114,021
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| EPSRC Research Topic Classifications: |
| Condensed Matter Physics |
Quantum Fluids & Solids |
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| EPSRC Industrial Sector Classifications: |
| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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This proposal is to experimentally identify and characterize new paradigms of collective quantum behaviour in strongly correlated systems, in particular investigate quantum magnets with frustrated interactions, strong anisotropies and non-commuting fields that have the potential to exhibit novel types of quantum order and collective excitations. The novel experimental approach is based on using high applied magnetic fields to externally control the ground-state fluctuations and induce quantum phase transitions and use neutron scattering to probe the static and dynamic correlations of those phases. Experiments use the latest developments in neutron technology, extreme sample environment and data analysis. The proposed research include: quantum criticality in a frustrated Ising system in transverse fields (CoNb206), nature of excitations and field-induced spin-liquid state in an anisotropic XY-like quantum magnet (CS2COCI4), entanglement of quantum and thermal fluctuations and effects of doping on a two-dimensional (2D) spin liquid with deconfined spinons (CS2CUCI4), and search for strongly-correlated quantum spin-liquid states in other 2D frustrated magnets with commensurate or incommensurate correlations (TIO(CI,Br), Li2V0(Ge,Si)04).
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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 |
| Summary |
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| Date Materialised |
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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.bris.ac.uk |