Angular dependence of upper critical field for high-temperature superconductors

Kenji Takanaka; Lui Sakai; Hiroaki Matueda

doi:10.1103/PhysRevB.66.012514

Angular dependence of upper critical field for high-temperature superconductors

Kenji Takanaka, Lui Sakai, Hiroaki Matueda

ENG - Applied Physics

Tohoku University

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

3 Citations (Scopus)

Abstract

Including Fermi surface anisotropy in addition to the anisotropy of pairing states, we recalculate the angular dependence of the upper critical field Hc₂(θ) intending to explain its in-plane anisotropy for the high-temperature superconductors. The results show that two anisotropies arising from different origins compete and the angular dependence of the fourfold symmetry for Hc₂(θ) is not unique for all the high-temperature superconductors.

Original language	English
Article number	012514
Pages (from-to)	125141-125143
Number of pages	3
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	66
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.66.012514
Publication status	Published - 2002 Jul 1

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10.1103/PhysRevB.66.012514

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title = "Angular dependence of upper critical field for high-temperature superconductors",

abstract = "Including Fermi surface anisotropy in addition to the anisotropy of pairing states, we recalculate the angular dependence of the upper critical field Hc2(θ) intending to explain its in-plane anisotropy for the high-temperature superconductors. The results show that two anisotropies arising from different origins compete and the angular dependence of the fourfold symmetry for Hc2(θ) is not unique for all the high-temperature superconductors.",

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AU - Takanaka, Kenji

AU - Sakai, Lui

AU - Matueda, Hiroaki

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N2 - Including Fermi surface anisotropy in addition to the anisotropy of pairing states, we recalculate the angular dependence of the upper critical field Hc2(θ) intending to explain its in-plane anisotropy for the high-temperature superconductors. The results show that two anisotropies arising from different origins compete and the angular dependence of the fourfold symmetry for Hc2(θ) is not unique for all the high-temperature superconductors.

AB - Including Fermi surface anisotropy in addition to the anisotropy of pairing states, we recalculate the angular dependence of the upper critical field Hc2(θ) intending to explain its in-plane anisotropy for the high-temperature superconductors. The results show that two anisotropies arising from different origins compete and the angular dependence of the fourfold symmetry for Hc2(θ) is not unique for all the high-temperature superconductors.

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ER -

Angular dependence of upper critical field for high-temperature superconductors

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