關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Topological superconductor in quasi-one-dimensional Tl2-xMo6Se6

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1 106/1 物理系 李啟正 助理教授 期刊論文 發佈 Topological superconductor in quasi-one-dimensional Tl2-xMo6Se6 , [106-1] :Topological superconductor in quasi-one-dimensional Tl2-xMo6Se6期刊論文Topological superconductor in quasi-one-dimensional Tl2-xMo6Se6Shin-Ming Huang, Chuang-Han Hsu, Su-Yang Xu, Chi-Cheng Lee, Shiue-Yuan Shiau, Hsin Lin, and Arun BansilPHYSICAL REVIEW B 97, 014510We propose that the quasi-one-dimensional molybdenum selenide compound Tl 2 − x Mo 6 Se 6 is a time-reversal-invariant topological superconductor induced by intersublattice pairing, even in the absence of spin-orbit coupling (SOC). No noticeable change in superconductivity is observed in Tl-deficient ( 0 ≤ x ≤ 0.1 ) compounds. At weak SOC, the superconductor prefers the triplet d vector lying perpendicular to the chain direction and two-dimensional E2u symmetry, which is driven to a nematic order by spontaneous rotation symmetry breaking. The locking energy of the d vector is estimated to be weak and hence the proof of its direction would rely on tunneling or phase-sensitive measurements.en_US國外SCI;是USA
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