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Negative muon spin rotation and relaxation on superconducting MgB2

Sugiyama, Jun (author)
Comprehens Res Org Sci & Soc CROSS, Neutron Sci & Technol Ctr, Tokai, Ibaraki 3191106, Japan.
Forslund, Ola K. (author)
Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden.
Nocerino, Elisabetta (author)
KTH,Material- och nanofysik
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Sassa, Yasmine (author)
Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden.
Månsson, Martin, As. Prof. 1976- (author)
KTH,Material- och nanofysik
Hillier, Adrian (author)
Harwell Oxford, STFC Rutherford Appleton Lab, ISIS Pulsed Neutron & Muon Facil, Didcot OX11 0QX, England.
Ishida, Katsuhiko (author)
RIKEN, Meson Sci Lab, 2-1 Hirosawa, Wako, Saitama 3510198, Japan.
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Comprehens Res Org Sci & Soc CROSS, Neutron Sci & Technol Ctr, Tokai, Ibaraki 3191106, Japan Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden. (creator_code:org_t)
IOP Publishing, 2023
2023
English.
In: Proceedings 15th International Conference on Muon Spin Rotation, Relaxation and Resonance (SR). - : IOP Publishing.
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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