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Spin-Orbit Coupling and Interband Transitions in the Optical Conductivity of Sr2RhO4
- Authors
- Sandilands, Luke J.; Kyung, Wonshik; Kim, So Yeun; Son, J.; Kwon, J.; Kang, T. D.; Yoshida, Y.; Moon, S. J.; Kim, C.; Noh, Tae Won
- Issue Date
- Dec-2017
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.119, no.26, pp.1 - 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 119
- Number
- 26
- Start Page
- 1
- End Page
- 5
- ISSN
- 0031-9007
- 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 Gamma X. 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.
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Related Researcher
- Moon, Soon jae
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)