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Spin-Orbit Coupling and Interband Transitions in the Optical Conductivity of Sr2RhO4

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Title
Spin-Orbit Coupling and Interband Transitions in the Optical Conductivity of Sr2RhO4
Author(s)
Luke J. Sandilands; Wonshik Kyung; So Yeun Kim; Jaeseok Son; J. Kwon; Tae Dong Kang; Yoshiyuki Yoshida; Soon Jae Moon; Choong Hyun Kim; Tae Won Noh
Publication Date
2017-12
Journal
PHYSICAL REVIEW LETTERS, v.119, no.26, pp.267402
Publisher
AMER PHYSICAL SOC
Abstract
The prototypical correlated metal Sr2RhO4 was studied using optical and photoemission spectroscopy. At low energies and temperatures, the optical data reveal a complex, multicomponent response that on the surface points to an unconventional metallic state in this material. Via a comparison with photoemission, the anomalous optical response may be attributed to an unexpectedly strong interband transition near 180 meV between spin-orbit coupled bands that are nearly parallel along ΓX. This spin-orbit coupling effect is shown to occur in a number of related metallic ruthenates and explains the previously puzzling optical properties reported for these materials. © 2017 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/4144
DOI
10.1103/PhysRevLett.119.267402
ISSN
0031-9007
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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15_PhysRevLett.119.267402.pdfDownload

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