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Negative muon spin rotation and relaxation on superconducting MgB2
Comprehens Res Org Sci & Soc CROSS, Neutron Sci & Technol Ctr, Tokai, Ibaraki 3191106, Japan..
Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden..
KTH, School of Engineering Sciences (SCI), Applied Physics, Materials and Nanophysics.ORCID iD: 0000-0003-4441-8882
Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden..
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2023 (English)In: Proceedings 15th International Conference on Muon Spin Rotation, Relaxation and Resonance (SR) / [ed] Prando, G Pratt, F, IOP Publishing , 2023, Vol. 2462, article id 012059Conference paper, Published paper (Refereed)
Abstract [en]

The internal nuclear magnetic field in a superconducting MgB2 powder sample was studied with a mu-SR technique. Although the past mu+SR study on MgB2 reported the appearance of a dynamic behavior even below T-c due to mu(+) diffusion, mu-SR shows a static behavior in the whole temperature range measured, as expected. The ZF-mu-SR spectra do not suggest any appearance of additional magnetic field below T-c within the experimental accuracy. Considering the small asymmetry of the mu-SR signal, it is a challenge to detect the appearance of an internal magnetic field below Tc caused by the time reversal symmetry breaking.

Place, publisher, year, edition, pages
IOP Publishing , 2023. Vol. 2462, article id 012059
Series
Journal of Physics Conference Series, ISSN 1742-6588
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-329878DOI: 10.1088/1742-6596/2462/1/012059ISI: 000995428200059Scopus ID: 2-s2.0-85152637138OAI: oai:DiVA.org:kth-329878DiVA, id: diva2:1774449
Conference
15th International Conference on Muon Spin Rotation, Relaxation and Resonance (SR), AUG 28-SEP 02, 2022, Univ Parma, Parma, ITALY
Note

QC 20230626

Available from: 2023-06-26 Created: 2023-06-26 Last updated: 2023-12-07Bibliographically approved

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Nocerino, ElisabettaMånsson, Martin

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