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
ISSN
0031-9007
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
Files in This Item:
15_PhysRevLett.119.267402.pdfDownload

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