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Article: Field-induced p-wave superconducting state of mesoscopic systems

TitleField-induced p-wave superconducting state of mesoscopic systems
Authors
KeywordsBogoliubov-de gennes equations
Coherence lengths
Edge currents
Field-induced
Mesoscopic systems
Issue Date2012
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2012, v. 108 n. 25 How to Cite?
AbstractBy using Bogoliubov-de Gennes equations, we study superconducting (SC) states in a quasi-two-dimensional system of radius R. It is shown that no vortices exist in s-wave SC samples with R
Persistent Identifierhttp://hdl.handle.net/10722/152812
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong RGCGRF HKU707211
GRF HKU701010
HKUST3/CRF/09
Stanford University
Funding Information:

We thank Y. Liu for stimulating discussions on the experiment [13]. This work is partially supported by Hong Kong RGC Grants No. GRF HKU707211, No. GRF HKU701010, and No. HKUST3/CRF/09 and startup funds at Stanford University (S.R.). We acknowledge the hospitality of the Aspen Center for Physics (S.R.) and KITP Santa Barbara (F.C.Z).

References
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DC FieldValueLanguage
dc.contributor.authorHuo, JWen_HK
dc.contributor.authorChen, WQen_HK
dc.contributor.authorRaghu, Sen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2012-07-16T09:49:12Z-
dc.date.available2012-07-16T09:49:12Z-
dc.date.issued2012en_HK
dc.identifier.citationPhysical Review Letters, 2012, v. 108 n. 25en_HK
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/152812-
dc.description.abstractBy using Bogoliubov-de Gennes equations, we study superconducting (SC) states in a quasi-two-dimensional system of radius R. It is shown that no vortices exist in s-wave SC samples with R<R c∼ξ(0), the T=0 coherence length. We predict that chiral p-wave states exhibit superconductivity for R<R c only in the presence of a vortex with opposite chirality. This induced SC phase is a consequence of nonzero chirality of the pairing order parameter and implies the presence of chiral edge currents. Our study may be applied to sharply probing the pairing symmetry of unconventional superconductors. © 2012 American Physical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong Licenseen_US
dc.subjectBogoliubov-de gennes equations-
dc.subjectCoherence lengths-
dc.subjectEdge currents-
dc.subjectField-induced-
dc.subjectMesoscopic systems-
dc.titleField-induced p-wave superconducting state of mesoscopic systemsen_HK
dc.typeArticleen_HK
dc.identifier.emailChen, WQ: wqchen@hku.hken_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityChen, WQ=rp00673en_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevLett.108.257002en_HK
dc.identifier.scopuseid_2-s2.0-84862526481en_HK
dc.identifier.hkuros200992en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84862526481&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume108en_HK
dc.identifier.issue25en_HK
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000305541000015-
dc.publisher.placeUnited Statesen_HK
dc.relation.projectQuantum Order in Novel Materials: Superconductivity and Topological Order-
dc.relation.projectQuantum Order in Novel Materials: Superconductivity and Topological Order-
dc.relation.projectQuantum Order in Novel Materials: Superconductivity and Topological Order-
dc.identifier.scopusauthoridHuo, JW=53867975400en_HK
dc.identifier.scopusauthoridChen, WQ=36077405600en_HK
dc.identifier.scopusauthoridRaghu, S=24073240500en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK

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