Electronic Density of States for Quasi-One-Dimensional Charge Density Waves
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概要
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By making use of the phase representation for the quasi-one-dimensional systemconsisting of linear chains with Tomonaga-Luttinger model, the electronic density ofstates for the charge density waves is calculated at zero temperature in order to ex-amine the effect of the one-dimensional (1-D) fluctuation which originates in the in-trachain interaction. In addition to a true gap caused by the long range order, apseudogap is induced around the Fermi surface by the 1-D fluctuation. It is shownthat the density of states just above the true gap diverges (reduces to zero continuously) in the case of the weak (strong) intrachain interaction.
- 社団法人日本物理学会の論文
- 1987-07-15
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