• Title/Summary/Keyword: B-axis

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EXISTENCE OF MINIMAL SURFACES WITH PLANAR ENDS

  • Jin, Sun-Sook
    • The Pure and Applied Mathematics
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    • v.17 no.4
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    • pp.299-306
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    • 2010

  • In this article we consider axes of a complete embedded minimal surface in $R^3$ of finite total curvature, and then prove that there is no planar ends at which the Gauss map have the minimum branching order if the minimal surface has a single axis.

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4f spin dynamics in TbNi$_2$B$_2$C by $^{11}$B NMR

  • Lee, K.H.;Seo, S.W.;Kim, D.H.;Khang, K.H.;Seo, H.S.;Hwang, C.S.;Hong, K.S.;Cho, B.K.;Lee, W.C.;Lee, Moo-Hee
    • 한국초전도학회:학술대회논문집
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    • v.10
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    • pp.61-64
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    • 2000

  • $^{11}$B NMR measurements have been performed to investigate local electronic structure and 4f spin dynamics for TbNi$_2$B$_2$C single crystal. $^{11}$B NMR spectra show three resonance peaks due to the quadrupolar interaction. Shift and linewidth are huge and strongly temperature-dependent. In addition, both are proportional to magnetic susceptibility, indicating that the hyperfine field at the boron site originates from the 4f spins of Tb. $^{11}$B NMR shift and relaxation rates show high anisotropy for field parallel and perpendicular to the c-axis. Anisotropy of the shift and the relaxation rates suggests that the hyperfine field perpendicular to the c-axis is larger.

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