Muon-spin rotation measurements of the vortex state in Sr2RuO4 : type-1.5 superconductivity, vortex clustering, and a crossover from a triangular to a square vortex lattice

Ray, S. J.; Gibbs, A. S.; Bending, S. J.; Curran, P. J.; Babaev, E.; Baines, C.; Mackenzie, A. P.; Lee, S. L.

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dc.contributor.author	Ray, S. J.
dc.contributor.author	Gibbs, A. S.
dc.contributor.author	Bending, S. J.
dc.contributor.author	Curran, P. J.
dc.contributor.author	Babaev, E.
dc.contributor.author	Baines, C.
dc.contributor.author	Mackenzie, A. P.
dc.contributor.author	Lee, S. L.
dc.date.accessioned	2014-08-15T16:01:00Z
dc.date.available	2014-08-15T16:01:00Z
dc.date.issued	2014-03-06
dc.identifier	135042684
dc.identifier	7aaed5d9-3619-46a7-8ef4-ebd1b1a87135
dc.identifier	000332456500003
dc.identifier	84897865622
dc.identifier	000332456500003
dc.identifier.citation	Ray , S J , Gibbs , A S , Bending , S J , Curran , P J , Babaev , E , Baines , C , Mackenzie , A P & Lee , S L 2014 , ' Muon-spin rotation measurements of the vortex state in Sr 2 RuO 4 : type-1.5 superconductivity, vortex clustering, and a crossover from a triangular to a square vortex lattice ' , Physical Review. B, Condensed matter and materials physics , vol. 89 , no. 9 , 094504 . https://doi.org/10.1103/PhysRevB.89.094504	en
dc.identifier.issn	1098-0121
dc.identifier.other	ORCID: /0000-0002-2020-3310/work/54995377
dc.identifier.other	ORCID: /0000-0002-7012-1831/work/78527989
dc.identifier.uri	https://hdl.handle.net/10023/5175
dc.description	The authors acknowledge the financial support of the EPSRC (Grant No. EP/J01060X). All μSR experiments were carried out courtesy of the Paul Scherrer Institute. E. Babaev was supported by the US NSF CAREER Award No. DMR-0955902 and by the Knut and Alice Wallenberg Foundation through the Royal Swedish Academy of Sciences, Swedish Research Council.	en
dc.description.abstract	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.
dc.format.extent	6
dc.format.extent	582282
dc.language.iso	eng
dc.relation.ispartof	Physical Review. B, Condensed matter and materials physics	en
dc.subject	Time-reversal symmetry	en
dc.subject	SR	en
dc.subject	QC Physics	en
dc.subject.lcc	QC	en
dc.title	Muon-spin rotation measurements of the vortex state in Sr2RuO4 : type-1.5 superconductivity, vortex clustering, and a crossover from a triangular to a square vortex lattice	en
dc.type	Journal article	en
dc.contributor.sponsor	EPSRC	en
dc.contributor.sponsor	EPSRC	en
dc.contributor.institution	University of St Andrews. School of Physics and Astronomy	en
dc.contributor.institution	University of St Andrews. Condensed Matter Physics	en
dc.identifier.doi	10.1103/PhysRevB.89.094504
dc.description.status	Peer reviewed	en
dc.identifier.grantnumber	EP/J01060X/1	en
dc.identifier.grantnumber	EP/I031014/1	en

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