Sliding Conductivity of Charge Density Waves : A Model of Sliding Soliton Lattices
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概要
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A time dependent Ginzburg-Landau (TDGL) type equation for a phason field is used to describe the nonlinear response of the charge density wave. Starting with the TDGL type equation of motion for the soliton lattice is derived with the aid of the multiscale method and is treated in perturbation theory. High field dc conductivity and high frequency ac conductivity are shown to vary linearly in 1/√<E> and 1/√<ω> respectively. These results fit the high field and high frequency data on NbSe_3 well. The observed interference effects between a large dc field and an ac field are also explained. Moreover the calculated power spectrum of the current shows the existence of the quasiperiodic noise whose frequencies are proportional to the dc component of the current.
- 一般社団法人日本物理学会の論文
- 1983-10-25
著者
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Tasaki S
Department Of Applied Physics Waseda University
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Tasaki Shuichi
Department Of Applied Physics School Of Science And Engineering Waseda University
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TASAKI Shuichi
Department of Physics, Kyoto University
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