Topological Superconductivity Near Ferromagnetism―Theoretical Prediction for UTe<sub>2</sub> and UCoGe

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Other Title
  • 強磁性近傍のトポロジカル超伝導体――UTe<sub>2</sub>とUCoGeの理論予測
  • 強磁性近傍のトポロジカル超伝導体 : UTe₂とUCoGeの理論予測
  • キョウジセイ キンボウ ノ トポロジカル チョウデンドウタイ : UTe ₂ ト UCoGe ノ リロン ヨソク

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Description

<p>Spin-triplet superconductivity due to Cooper pairs with spin 1 degree of freedom has been increasingly attracted interest as a candidate for topological superconducting materials. A spin-triplet superconducting state is expected to emerge in the vicinity of the ferromagnetic phase, as found in Uranium-based heavy-fermion systems. Using first-principles calculations and extending Fermi surface formulas, we theoretically predict topological superconductivity in UCoGe and a newly discovered superconductor UTe2 .</p>

Journal

  • Butsuri

    Butsuri 76 (5), 289-294, 2021-05-05

    The Physical Society of Japan

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