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OPTICAL CONDUCTIVITY OF LA2-XSRXCUO4 AND SOFT ELECTRONIC-MODES
LORENZANA, J; YU, L; LORENZANA, J , SCUOLA INT SUPER STUDI AVANZATI,VIA BEIRUT 4,I-34014 TRIESTE,ITALY.
1993
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号70期号:6页码:861-864
摘要We calculate the optical conductivity of La2-xSrxCuO4 in the inhomogeneous Hartree-Fock plus random phase approximation using the p-d model with parameters taken from first-principles calculations. The ground state evolves from a polaron state for small and moderate doping to a conventional metal for x greater than or similar to 1/4 in consistency with transport and optical experiments. The calculated optical conductivity shows good agreement with experiments regarding the peak positions and relative intensities for zero and small dopings. The precursor of the midinfrared band is identified with transitions from the localized states on Cu to the extended states above the Fermi level.
部门归属INT CTR THEORET PHYS,I-34014 TRIESTE,ITALY; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Superconductors La2cuo4
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12064
专题理论物理所1978-2010年知识产出
通讯作者LORENZANA, J , SCUOLA INT SUPER STUDI AVANZATI,VIA BEIRUT 4,I-34014 TRIESTE,ITALY.
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LORENZANA, J,YU, L,LORENZANA, J , SCUOLA INT SUPER STUDI AVANZATI,VIA BEIRUT 4,I-34014 TRIESTE,ITALY.. OPTICAL CONDUCTIVITY OF LA2-XSRXCUO4 AND SOFT ELECTRONIC-MODES[J]. PHYSICAL REVIEW LETTERS,1993,70(6):861-864.
APA LORENZANA, J,YU, L,&LORENZANA, J , SCUOLA INT SUPER STUDI AVANZATI,VIA BEIRUT 4,I-34014 TRIESTE,ITALY..(1993).OPTICAL CONDUCTIVITY OF LA2-XSRXCUO4 AND SOFT ELECTRONIC-MODES.PHYSICAL REVIEW LETTERS,70(6),861-864.
MLA LORENZANA, J,et al."OPTICAL CONDUCTIVITY OF LA2-XSRXCUO4 AND SOFT ELECTRONIC-MODES".PHYSICAL REVIEW LETTERS 70.6(1993):861-864.
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