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Article: Spin excitations in nickelate superconductors

TitleSpin excitations in nickelate superconductors
Authors
KeywordsNickelates
Superconductivity
D-wave pairing
Spin susceptibility
Issue Date2020
PublisherSpringer Verlag, co-published with Science China Press. The Journal's web site is located at http://www.scichina.com:8083/sciGe/EN/volumn/current.shtml
Citation
Science China Physics, Mechanics & Astronomy, 2020, v. 63 n. 8, article no. 287412 How to Cite?
AbstractApplying a three-band model and the random phase approximation, we theoretically study the spin excitations in nickelate superconductors, which have been newly discovered. The spin excitations were found to be incommensurate in the low energy region. The spin resonance phenomenon emerged as the excitation energy increased. The intensity can be maximized at the incommensurate or commensurate momentum, depending on the out-of-plane momentum. The spin excitations reverted to incommensurate at higher energies. We also discuss the similarities and differences in the spin excitations of nickelate and cuprate superconductors. Our predicted results can be later validated in inelastic neutron scattering experiments.
Persistent Identifierhttp://hdl.handle.net/10722/285502
ISSN
2019 Impact Factor: 4.226
2015 SCImago Journal Rankings: 0.485
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhou, T-
dc.contributor.authorGao, Y-
dc.contributor.authorWang, Z-
dc.date.accessioned2020-08-18T03:54:02Z-
dc.date.available2020-08-18T03:54:02Z-
dc.date.issued2020-
dc.identifier.citationScience China Physics, Mechanics & Astronomy, 2020, v. 63 n. 8, article no. 287412-
dc.identifier.issn1674-7348-
dc.identifier.urihttp://hdl.handle.net/10722/285502-
dc.description.abstractApplying a three-band model and the random phase approximation, we theoretically study the spin excitations in nickelate superconductors, which have been newly discovered. The spin excitations were found to be incommensurate in the low energy region. The spin resonance phenomenon emerged as the excitation energy increased. The intensity can be maximized at the incommensurate or commensurate momentum, depending on the out-of-plane momentum. The spin excitations reverted to incommensurate at higher energies. We also discuss the similarities and differences in the spin excitations of nickelate and cuprate superconductors. Our predicted results can be later validated in inelastic neutron scattering experiments.-
dc.languageeng-
dc.publisherSpringer Verlag, co-published with Science China Press. The Journal's web site is located at http://www.scichina.com:8083/sciGe/EN/volumn/current.shtml-
dc.relation.ispartofScience China Physics, Mechanics & Astronomy-
dc.subjectNickelates-
dc.subjectSuperconductivity-
dc.subjectD-wave pairing-
dc.subjectSpin susceptibility-
dc.titleSpin excitations in nickelate superconductors-
dc.typeArticle-
dc.identifier.emailWang, Z: physhead@hku.hk-
dc.identifier.authorityWang, Z=rp00802-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1007/s11433-020-1578-3-
dc.identifier.scopuseid_2-s2.0-85087681414-
dc.identifier.hkuros312923-
dc.identifier.volume63-
dc.identifier.issue8-
dc.identifier.spagearticle no. 287412-
dc.identifier.epagearticle no. 287412-
dc.identifier.isiWOS:000546699000001-
dc.publisher.placeChina-

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