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Article: Spin excitations in nickelate superconductors
Title | Spin excitations in nickelate superconductors |
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Authors | |
Keywords | Nickelates Superconductivity D-wave pairing Spin susceptibility |
Issue Date | 2020 |
Publisher | Springer 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? |
Abstract | Applying 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 Identifier | http://hdl.handle.net/10722/285502 |
ISSN | 2023 Impact Factor: 6.4 2023 SCImago Journal Rankings: 1.165 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zhou, T | - |
dc.contributor.author | Gao, Y | - |
dc.contributor.author | Wang, Z | - |
dc.date.accessioned | 2020-08-18T03:54:02Z | - |
dc.date.available | 2020-08-18T03:54:02Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Science China Physics, Mechanics & Astronomy, 2020, v. 63 n. 8, article no. 287412 | - |
dc.identifier.issn | 1674-7348 | - |
dc.identifier.uri | http://hdl.handle.net/10722/285502 | - |
dc.description.abstract | Applying 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.language | eng | - |
dc.publisher | Springer 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.ispartof | Science China Physics, Mechanics & Astronomy | - |
dc.subject | Nickelates | - |
dc.subject | Superconductivity | - |
dc.subject | D-wave pairing | - |
dc.subject | Spin susceptibility | - |
dc.title | Spin excitations in nickelate superconductors | - |
dc.type | Article | - |
dc.identifier.email | Wang, Z: physhead@hku.hk | - |
dc.identifier.authority | Wang, Z=rp00802 | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1007/s11433-020-1578-3 | - |
dc.identifier.scopus | eid_2-s2.0-85087681414 | - |
dc.identifier.hkuros | 312923 | - |
dc.identifier.volume | 63 | - |
dc.identifier.issue | 8 | - |
dc.identifier.spage | article no. 287412 | - |
dc.identifier.epage | article no. 287412 | - |
dc.identifier.isi | WOS:000546699000001 | - |
dc.publisher.place | China | - |
dc.identifier.issnl | 1869-1927 | - |