Superconducting ground state of the topological superconducting candidates Ti3 X (X = Ir, Sb)

The topologically nontrivial band structure of A15 compounds has drawn a significant amount of attention owing to the possible realization of topological superconductivity. The superconducting ground state of the A15 alloys Ti3 X (X = Ir, Sb), by muon spectroscopy, has been investigated. Zero-field...

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Veröffentlicht in:	Physical review. B 2021-02, Vol.103 (5), p.1
Hauptverfasser:	Mandal, Manasi, P, Sajilesh K, Chowdhury, Rajeswari Roy, Singh, D, Biswas, P K, Hillier, A D, Singh, R P
Format:	Artikel
Sprache:	eng
Schlagworte:	A15 compounds Ground state Infrared spectroscopy Muon spin relaxation Superconductivity Superconductors Supports Symmetry Topology
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creator	Mandal, Manasi P, Sajilesh K Chowdhury, Rajeswari Roy Singh, D Biswas, P K Hillier, A D Singh, R P
description	The topologically nontrivial band structure of A15 compounds has drawn a significant amount of attention owing to the possible realization of topological superconductivity. The superconducting ground state of the A15 alloys Ti3 X (X = Ir, Sb), by muon spectroscopy, has been investigated. Zero-field muon spin relaxation measurements have shown that time-reversal symmetry is preserved in these materials. Furthermore, specific-heat and transverse-field muon rotation measurements rule out any possibility of a nodal or anisotropic superconducting gap but reveal a conventional isotropic s -wave gap structure. This supports the idea that these A15 superconductors are time-reversal-symmetry-preserved topological superconducting candidate compounds.
doi_str_mv	10.1103/PhysRevB.103.054501
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subjects	A15 compounds Ground state Infrared spectroscopy Muon spin relaxation Superconductivity Superconductors Supports Symmetry Topology
title	Superconducting ground state of the topological superconducting candidates Ti3 X (X = Ir, Sb)
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