Probing the intermediate state of type-I superconductor SnAs using Muon Spin Spectroscopy

Fuente: arXiv
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Auteurs principaux: Srivastava, Shashank, Kulkarni, Omkar, Arushi, Singh, Deepak, Manna, Poulami, Mishra, Priya, Sharma, Suhani, Biswas, Pabitra Kumar, Stewart, Rhea, Hillier, Adrian D., Singh, Ravi Prakash
Format: Preprint
Publié: 2025
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author Srivastava, Shashank
Kulkarni, Omkar
Arushi
Singh, Deepak
Manna, Poulami
Mishra, Priya
Sharma, Suhani
Biswas, Pabitra Kumar
Stewart, Rhea
Hillier, Adrian D.
Singh, Ravi Prakash
author_facet Srivastava, Shashank
Kulkarni, Omkar
Arushi
Singh, Deepak
Manna, Poulami
Mishra, Priya
Sharma, Suhani
Biswas, Pabitra Kumar
Stewart, Rhea
Hillier, Adrian D.
Singh, Ravi Prakash
contents Superconductivity with non-trivial band topology provides a novel platform for exploring topological superconductivity and its quantum applications. A detailed microscopic understanding of the superconducting ground state in such materials is crucial. Here, we report the results of a muon spin rotation/relaxation study ($μ$SR) of the topologically non-trivial superconductor SnAs, which exhibits superconductivity below 3.74(1) \si{K}. Zero-field (ZF) $μ$SR data reveal that this system is a time-reversal invariant superconductor, and systematic transverse-field (TF) $μ$SR measurements unveil the type-I nature of the SnAs superconductor. We have established the superconducting phase diagram to understand the intermediate state of type-I superconductors. Moreover, ab \textit{initio} band structure and phonon calculations are performed, which correlate with the experimental characterization.
format Preprint
id arxiv_https___arxiv_org_abs_2512_17282
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Probing the intermediate state of type-I superconductor SnAs using Muon Spin Spectroscopy
Srivastava, Shashank
Kulkarni, Omkar
Arushi
Singh, Deepak
Manna, Poulami
Mishra, Priya
Sharma, Suhani
Biswas, Pabitra Kumar
Stewart, Rhea
Hillier, Adrian D.
Singh, Ravi Prakash
Superconductivity
Superconductivity with non-trivial band topology provides a novel platform for exploring topological superconductivity and its quantum applications. A detailed microscopic understanding of the superconducting ground state in such materials is crucial. Here, we report the results of a muon spin rotation/relaxation study ($μ$SR) of the topologically non-trivial superconductor SnAs, which exhibits superconductivity below 3.74(1) \si{K}. Zero-field (ZF) $μ$SR data reveal that this system is a time-reversal invariant superconductor, and systematic transverse-field (TF) $μ$SR measurements unveil the type-I nature of the SnAs superconductor. We have established the superconducting phase diagram to understand the intermediate state of type-I superconductors. Moreover, ab \textit{initio} band structure and phonon calculations are performed, which correlate with the experimental characterization.
title Probing the intermediate state of type-I superconductor SnAs using Muon Spin Spectroscopy
topic Superconductivity
url https://arxiv.org/abs/2512.17282