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Muon spin rotation and relaxation study on topological noncentrosymmetric superconductor PbTaSe2

التفاصيل البيبلوغرافية
العنوان: Muon spin rotation and relaxation study on topological noncentrosymmetric superconductor PbTaSe2
المؤلفون: Z H Zhu, C Tan, J Zhang, P K Biswas, A D Hillier, M X Wang, Y X Yang, C S Chen, Z F Ding, S Y Li, L Shu
المصدر: New Journal of Physics, Vol 24, Iss 2, p 023002 (2022)
بيانات النشر: IOP Publishing, 2022.
سنة النشر: 2022
المجموعة: LCC:Science
LCC:Physics
مصطلحات موضوعية: topological, noncentrosymmetric superconductivity, muon spin relaxation/rotation, Science, Physics, QC1-999
الوصف: Topological superconductivity is an exotic phenomenon due to the symmetry-protected topological surface state, in which a quantum system has an energy gap in the bulk but supports gapless excitations confined to its boundary. Symmetries including central and time-reversal symmetry (TRS), along with their relations with topology, are crucial for topological superconductivity. We report muon spin relaxation/rotation ( μ SR) experiments on a topological noncentrosymmetric superconductor PbTaSe _2 to study its TRS and gap symmetry. Zero-field μ SR experiments indicate the absence of internal magnetic field in the superconducting state, consistent with previous μ SR results. Furthermore, transverse-field μ SR measurements reveals that the superconducting gap of PbTaSe _2 is an isotropic three-dimensional fully-gapped single-band. The fully-gapped results can help understand the pairing mechanism and further classify the topological superconductivity in this system.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1367-2630
Relation: https://doaj.org/toc/1367-2630
DOI: 10.1088/1367-2630/ac48ea
URL الوصول: https://doaj.org/article/ff95c9d4144747a2a73374230f7f4286
رقم الأكسشن: edsdoj.ff95c9d4144747a2a73374230f7f4286
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:13672630
DOI:10.1088/1367-2630/ac48ea