2007年10月
Pauli paramagnetic effects on vortices in superconducting TmNi2B2C
PHYSICAL REVIEW LETTERS
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- 巻
- 99
- 号
- 16
- 開始ページ
- 167001 1-4
- 終了ページ
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1103/PhysRevLett.99.167001
- 出版者・発行元
- AMER PHYSICAL SOC
The magnetic field distribution around the vortices in TmNi2B2C in the paramagnetic phase was studied experimentally as well as theoretically. The vortex form factor, measured by small-angle neutron scattering, is found to be field independent up to 0.6H(c2) followed by a sharp decrease at higher fields. The data are fitted well by solutions to the Eilenberger equations when paramagnetic effects due to the exchange interaction with the localized 4f Tm moments are included. The induced paramagnetic moments around the vortex cores act to maintain the field contrast probed by the form factor.
- リンク情報
- ID情報
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- DOI : 10.1103/PhysRevLett.99.167001
- ISSN : 0031-9007
- Web of Science ID : WOS:000250296000059