Quasiparticle density of states of clean and dirty d-wave superconductors: Mixed-state specific heat of La2-cursive greek chiSrcursive greek chiCuO4 single crystals

Minoru Nohara; Hiroaki Suzuki; Masanobu Isshiki; Nikorn Mangkorntong; Fumiko Sakai; Hidenori Takagi

doi:10.1143/JPSJ.69.1602

Quasiparticle density of states of clean and dirty d-wave superconductors: Mixed-state specific heat of La_{2-cursive greek chi}Sr_{cursive greek chi}CuO₄ single crystals

Minoru Nohara
, Hiroaki Suzuki
, Masanobu Isshiki
, Nikorn Mangkorntong
, Fumiko Sakai
, Hidenori Takagi

研究成果 › 査読

26 被引用数 (Scopus)

抄録

The temperature and the magnetic field dependence of the quasiparticle specific heat C_QP(T, H) in La_{2-cursive Greek chi}Sr_{cursive Greek chi}CuO₄ single crystals has been investigated. C_QP(T, H) of overdoped cursive Greek chi = 0.19 crystals obeys the scaling law predicted for "clean" d-wave systems. In contrast, for the under and optimally doped cursive Greek chi = 0.10 and 0.16 crystals. C_QP(T, H) shows the "dirty" d-wave behavior, recently discussed by Kübert and Hirschfeld, indicating a crossover from dirty to clean d-wave behavior with doping.

本文言語	English
ページ（範囲）	1602-1605
ページ数	4
ジャーナル	journal of the physical society of japan
巻	69
号	6
DOI	https://doi.org/10.1143/JPSJ.69.1602
出版ステータス	Published - 6月 2000
外部発表	はい

ASJC Scopus subject areas

物理学および天文学一般

文献へのアクセス

10.1143/JPSJ.69.1602

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引用スタイル

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abstract = "The temperature and the magnetic field dependence of the quasiparticle specific heat CQP(T, H) in La2-cursive Greek chiSrcursive Greek chiCuO4 single crystals has been investigated. CQP(T, H) of overdoped cursive Greek chi = 0.19 crystals obeys the scaling law predicted for {"}clean{"} d-wave systems. In contrast, for the under and optimally doped cursive Greek chi = 0.10 and 0.16 crystals. CQP(T, H) shows the {"}dirty{"} d-wave behavior, recently discussed by K{\"u}bert and Hirschfeld, indicating a crossover from dirty to clean d-wave behavior with doping.",

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author = "Minoru Nohara and Hiroaki Suzuki and Masanobu Isshiki and Nikorn Mangkorntong and Fumiko Sakai and Hidenori Takagi",

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T2 - Mixed-state specific heat of La2-cursive greek chiSrcursive greek chiCuO4 single crystals

AU - Nohara, Minoru

AU - Suzuki, Hiroaki

AU - Isshiki, Masanobu

AU - Mangkorntong, Nikorn

AU - Sakai, Fumiko

AU - Takagi, Hidenori

PY - 2000/6

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N2 - The temperature and the magnetic field dependence of the quasiparticle specific heat CQP(T, H) in La2-cursive Greek chiSrcursive Greek chiCuO4 single crystals has been investigated. CQP(T, H) of overdoped cursive Greek chi = 0.19 crystals obeys the scaling law predicted for "clean" d-wave systems. In contrast, for the under and optimally doped cursive Greek chi = 0.10 and 0.16 crystals. CQP(T, H) shows the "dirty" d-wave behavior, recently discussed by Kübert and Hirschfeld, indicating a crossover from dirty to clean d-wave behavior with doping.

AB - The temperature and the magnetic field dependence of the quasiparticle specific heat CQP(T, H) in La2-cursive Greek chiSrcursive Greek chiCuO4 single crystals has been investigated. CQP(T, H) of overdoped cursive Greek chi = 0.19 crystals obeys the scaling law predicted for "clean" d-wave systems. In contrast, for the under and optimally doped cursive Greek chi = 0.10 and 0.16 crystals. CQP(T, H) shows the "dirty" d-wave behavior, recently discussed by Kübert and Hirschfeld, indicating a crossover from dirty to clean d-wave behavior with doping.

KW - LaSrCuO

KW - Quasiparticle density of states

KW - Specific heat

KW - Vortex state

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