Journal
PHYSICAL REVIEW B
Volume 89, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.89.094504
Keywords
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Funding
- EPSRC [EP/J01060X]
- US NSF CAREER Award [DMR-0955902]
- Knut and Alice Wallenberg Foundation through the Royal Swedish Academy of Sciences
- Knut and Alice Wallenberg Foundation through the Swedish Research Council
- Engineering and Physical Sciences Research Council [EP/D034264/1, EP/J01060X/1, EP/J010626/1, EP/I031014/1] Funding Source: researchfish
- EPSRC [EP/D034264/1, EP/J010626/1, EP/J01060X/1, EP/I031014/1] Funding Source: UKRI
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0955902] Funding Source: National Science Foundation
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Muon-spin rotation has been used to probe the vortex state in Sr2RuO4. At moderate fields and temperatures a lattice of triangular symmetry is observed, crossing over to a lattice of square symmetry with increasing field and temperature. At lower fields it is found that there are large regions of the sample that are completely free from vortices which grow in volume as the temperature falls. Importantly this is accompanied by increasing vortex density and increasing disorder within the vortex-cluster-containing regions. Both effects are expected to result from the strongly temperature-dependent long-range vortex attractive forces arising from the multiband chiral-order superconductivity.
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