Electronic Structure and Fermi Sruface of LaCu_6

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概要

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• The electronic energy band structure has been calculated for LaCu., a referencematerial for the heavy-fermion compound CeCu., by using a relativistic linearizedAPW method with the exchange-correlation potential in the local-density approxima-lion. LaCu. is a compensated metal. It is shown that the Fermi surface consists ofmany electron and hole sheets in four bands, and holds a lot of the extremal cross sec-tions in various directions. They can explain origins of the major experimental dHvAfrequency branches reasonably well, but fails to agree with the experimental frequencies in the low frequency region, perhaps because of limitations of the MT approximalion and/ or the local density approximations. It is suggested that many dHvA signalsmay have been missed in the previous measurements.band theory, electronic structure, Fermi surface, LaCu., CeCu.

• 社団法人日本物理学会の論文
• 1990-11-15

著者

• HARIMA Hisatomo

  College of Integrated Arts and Sciences,Osaka Prefecture University

• Hasegawa Akira

  College of General Education, Niigata University

• Harima Hisatomo

  College Of Integrated Arts And Science University Of Osaka Prefecture

• Yanase Akira

  College Of Integrated Arts And Science University Of Osaka Prefecture

• Hasegawa Akira

  College Of General Education Niigata University

• Hasegawa Akira

  College Of Engineering Chiba University

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