Thermal conductivity and scattering mechanisms in high-Tc oxide superconductors

K. Noto; M. Matsukawa; K. Iwasaki; Kazuo Watanabe; T. Sasaki; N. Kobayashi

Thermal conductivity and scattering mechanisms in high-T_c oxide superconductors

K. Noto, M. Matsukawa, K. Iwasaki, Kazuo Watanabe, T. Sasaki, N. Kobayashi

High Field Laboratory for Superconducting Materials

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Scattering mechanisms of a c-axis aligned (Bi,Pb)₂Sr₂Ca₂Cu₃O_y have been studied by a numerical analysis based on a model in which two scattering mechanisms, phonon-electron scattering and electron-electron scattering, are coexisting as the main cause of the thermal conductivity enhancement below the superconducting transition temperature, T_C. We found a fairly good agreement between experimental results of temperature dependence and magnetic field dependence of the thermal conductivity and the coexisting model, as well as the model with electron-electron scattering (Proc.US-Japan WS on J_C in high T_C Oxide Superconductors (Oct.1995,Tsukuba): to be published), suggesting the coexistence of above mentioned two scattering mechanisms.

Original language	English
Pages (from-to)	359-364
Number of pages	6
Journal	Science Reports of the Rerearch Institutes Tohoku University Series A-Physics
Volume	42
Issue number	2
Publication status	Published - 1996 May 1

Keywords

BPSCCO
BRT theory
Quasiparticle damping
Scattering mechanism
Thermal conductivity

ASJC Scopus subject areas

Condensed Matter Physics
Metals and Alloys

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abstract = "Scattering mechanisms of a c-axis aligned (Bi,Pb)2Sr2Ca2Cu3Oy have been studied by a numerical analysis based on a model in which two scattering mechanisms, phonon-electron scattering and electron-electron scattering, are coexisting as the main cause of the thermal conductivity enhancement below the superconducting transition temperature, TC. We found a fairly good agreement between experimental results of temperature dependence and magnetic field dependence of the thermal conductivity and the coexisting model, as well as the model with electron-electron scattering (Proc.US-Japan WS on JC in high TC Oxide Superconductors (Oct.1995,Tsukuba): to be published), suggesting the coexistence of above mentioned two scattering mechanisms.",

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T1 - Thermal conductivity and scattering mechanisms in high-Tc oxide superconductors

AU - Noto, K.

AU - Matsukawa, M.

AU - Iwasaki, K.

AU - Watanabe, Kazuo

AU - Sasaki, T.

AU - Kobayashi, N.

PY - 1996/5/1

Y1 - 1996/5/1

N2 - Scattering mechanisms of a c-axis aligned (Bi,Pb)2Sr2Ca2Cu3Oy have been studied by a numerical analysis based on a model in which two scattering mechanisms, phonon-electron scattering and electron-electron scattering, are coexisting as the main cause of the thermal conductivity enhancement below the superconducting transition temperature, TC. We found a fairly good agreement between experimental results of temperature dependence and magnetic field dependence of the thermal conductivity and the coexisting model, as well as the model with electron-electron scattering (Proc.US-Japan WS on JC in high TC Oxide Superconductors (Oct.1995,Tsukuba): to be published), suggesting the coexistence of above mentioned two scattering mechanisms.

AB - Scattering mechanisms of a c-axis aligned (Bi,Pb)2Sr2Ca2Cu3Oy have been studied by a numerical analysis based on a model in which two scattering mechanisms, phonon-electron scattering and electron-electron scattering, are coexisting as the main cause of the thermal conductivity enhancement below the superconducting transition temperature, TC. We found a fairly good agreement between experimental results of temperature dependence and magnetic field dependence of the thermal conductivity and the coexisting model, as well as the model with electron-electron scattering (Proc.US-Japan WS on JC in high TC Oxide Superconductors (Oct.1995,Tsukuba): to be published), suggesting the coexistence of above mentioned two scattering mechanisms.

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KW - BRT theory

KW - Quasiparticle damping

KW - Scattering mechanism

KW - Thermal conductivity

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