Charge Density Waves and Fermi Surface of LaGe_2

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概要

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• The one-electron energy band structure for the rare-earth intermetallic com-pound LaGez, in which an anomalous specific heat and a superlattice structurehave recently been found, is calculated by an APW method with a local-densityapproximation. Assuming that the superlattice structure may originate from aformation of the charge density wave state, the Fermi surface is investigatedcarefully. It consists of two sheets, a multiply-connected electron sheet and amultiply-connected hole sheet. A candidate for such flat pieces of the Fermisurface that are responsible for a formation of the charge density wave state withthe observed period is a pair of the nearly flat sides of the box-shaped part of theelectron sheet.

• 社団法人日本物理学会の論文
• 1985-10-15

著者

• Yanase Akira

  Integrated Arts And Science University Of Osaka Prefecture

• Yanase Akira

  Integrated Arts And Sciences University Of Osaka Prefecture

• HASEGAWA Akira

  General Education Department, Niigata University

• Hasegawa Akira

  General Education Department Niigata University

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