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Magnetic-field effects on the size of vortices below the surface of NbSe2 detected using low energy beta-NMR.

Abstract:

A low energy radioactive beam of polarized 8Li has been used to observe the vortex lattice near the surface of superconducting NbSe2. The inhomogeneous magnetic-field distribution associated with the vortex lattice was measured using depth-resolved beta-detected NMR. Below Tc, one observes the characteristic line shape for a triangular vortex lattice which depends on the magnetic penetration depth and vortex core radius. The size of the vortex core varies strongly with the magnetic field. In ...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Journal:
Physical review letters
Volume:
98
Issue:
16
Pages:
167001
Publication date:
2007-04-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:406d14c0-2059-4075-8cc4-4908645e2295
Source identifiers:
18398
Local pid:
pubs:18398
Language:
English

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