Calculations of optical properties in strongly correlated materials

V. S. Oudovenko; G. Pálsson; S. Y. Savrasov; K. Haule; G. Kotliar

doi:https://doi.org/10.1103/PhysRevB.70.125112

Calculations of optical properties in strongly correlated materials

V. S. Oudovenko, G. Pálsson, S. Y. Savrasov, K. Haule, G. Kotliar

School of Arts and Sciences, Physics & Astronomy

Rutgers, The State University

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We present a method to calculate optical properties of strongly correlated systems. It is based on dynamical mean-field theory and it uses as an input realistic electronic structure obtained by local density-functional calculations. Numerically, tractable equations for optical conductivity, which show a correct noninteracting limit, are derived. Illustration of the method is given by computing optical properties of the doped Mott insulator La _1-xSr_xTiO₃.

Original language	American English
Article number	125112
Pages (from-to)	125112-1-125112-6
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	70
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.70.125112
State	Published - Sep 2004

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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https://doi.org/10.1103/PhysRevB.70.125112

Cite this

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title = "Calculations of optical properties in strongly correlated materials",

abstract = "We present a method to calculate optical properties of strongly correlated systems. It is based on dynamical mean-field theory and it uses as an input realistic electronic structure obtained by local density-functional calculations. Numerically, tractable equations for optical conductivity, which show a correct noninteracting limit, are derived. Illustration of the method is given by computing optical properties of the doped Mott insulator La 1-xSrxTiO3.",

author = "Oudovenko, {V. S.} and G. P{\'a}lsson and Savrasov, {S. Y.} and K. Haule and G. Kotliar",

note = "Funding Information: This work was supported by the NSF Grant No. DMR-0096462. The authors are indebted to A. I. Lichtenstein for valuable discussions. We also acknowledge a warm hospitality extended to three of us (V.O., G.K., and S.S.) during our stay at Kavli Institute for Theoretical Physics during the workshop “Realistic Theories of Correlated Electron Materials” where part of this work has been carried out under Grant No. PHY99-07949.",

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doi = "https://doi.org/10.1103/PhysRevB.70.125112",

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AU - Oudovenko, V. S.

AU - Pálsson, G.

AU - Savrasov, S. Y.

AU - Haule, K.

AU - Kotliar, G.

N1 - Funding Information: This work was supported by the NSF Grant No. DMR-0096462. The authors are indebted to A. I. Lichtenstein for valuable discussions. We also acknowledge a warm hospitality extended to three of us (V.O., G.K., and S.S.) during our stay at Kavli Institute for Theoretical Physics during the workshop “Realistic Theories of Correlated Electron Materials” where part of this work has been carried out under Grant No. PHY99-07949.

PY - 2004/9

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N2 - We present a method to calculate optical properties of strongly correlated systems. It is based on dynamical mean-field theory and it uses as an input realistic electronic structure obtained by local density-functional calculations. Numerically, tractable equations for optical conductivity, which show a correct noninteracting limit, are derived. Illustration of the method is given by computing optical properties of the doped Mott insulator La 1-xSrxTiO3.

AB - We present a method to calculate optical properties of strongly correlated systems. It is based on dynamical mean-field theory and it uses as an input realistic electronic structure obtained by local density-functional calculations. Numerically, tractable equations for optical conductivity, which show a correct noninteracting limit, are derived. Illustration of the method is given by computing optical properties of the doped Mott insulator La 1-xSrxTiO3.

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Calculations of optical properties in strongly correlated materials

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