Scaling behavior in high field charge density wave transport and the role of free carrier damping

N. P. Ong; X. J. Zhang

doi:10.1016/0378-4363(86)90041-0

Scaling behavior in high field charge density wave transport and the role of free carrier damping

N. P. Ong, X. J. Zhang

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5 Scopus citations

Abstract

We address the question of what determines primarily the damping of the sliding charge density wave (CDW). Using pulsed differential conductivity data we have studied the scaling relationship between the total differential conductivity j' and the Ohmic conductivity σ₀ in the CDW systems NbSe₃ and TaS₃. In both metallic and semiconducting hosts j' scales with σ₀ in a simple way. This relationship suggests that the two currents are strongly coupled, possibly via damping of the sliding condensate by the free carriers. The asymptotic approach of j/E to the infinite field limit σ_∞ is also examined and compared with previous studies.

Original language	English (US)
Pages (from-to)	3-7
Number of pages	5
Journal	Physica B+C
Volume	143
Issue number	1-3
DOIs	https://doi.org/10.1016/0378-4363(86)90041-0
State	Published - Nov 1986

All Science Journal Classification (ASJC) codes

General Engineering

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10.1016/0378-4363(86)90041-0

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title = "Scaling behavior in high field charge density wave transport and the role of free carrier damping",

abstract = "We address the question of what determines primarily the damping of the sliding charge density wave (CDW). Using pulsed differential conductivity data we have studied the scaling relationship between the total differential conductivity j' and the Ohmic conductivity σ0 in the CDW systems NbSe3 and TaS3. In both metallic and semiconducting hosts j' scales with σ0 in a simple way. This relationship suggests that the two currents are strongly coupled, possibly via damping of the sliding condensate by the free carriers. The asymptotic approach of j/E to the infinite field limit σ∞ is also examined and compared with previous studies.",

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year = "1986",

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AU - Ong, N. P.

AU - Zhang, X. J.

PY - 1986/11

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N2 - We address the question of what determines primarily the damping of the sliding charge density wave (CDW). Using pulsed differential conductivity data we have studied the scaling relationship between the total differential conductivity j' and the Ohmic conductivity σ0 in the CDW systems NbSe3 and TaS3. In both metallic and semiconducting hosts j' scales with σ0 in a simple way. This relationship suggests that the two currents are strongly coupled, possibly via damping of the sliding condensate by the free carriers. The asymptotic approach of j/E to the infinite field limit σ∞ is also examined and compared with previous studies.

AB - We address the question of what determines primarily the damping of the sliding charge density wave (CDW). Using pulsed differential conductivity data we have studied the scaling relationship between the total differential conductivity j' and the Ohmic conductivity σ0 in the CDW systems NbSe3 and TaS3. In both metallic and semiconducting hosts j' scales with σ0 in a simple way. This relationship suggests that the two currents are strongly coupled, possibly via damping of the sliding condensate by the free carriers. The asymptotic approach of j/E to the infinite field limit σ∞ is also examined and compared with previous studies.

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Scaling behavior in high field charge density wave transport and the role of free carrier damping

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