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arXiv · 0708.0072

Vortex states in superconductors with strong Pauli-paramagnetic effect

Masanori Ichioka·Kazushige Machida
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Abstract

Using the quasiclassical theory, we analyze the vortex structure of strong-paramagnetic superconductors.There, induced paramagnetic moments are accumulated exclusively around the vortex core. We quantitatively evaluate the significant paramagnetic effect in the H-dependence of various quantities, such as low temperature specific heat, Knight shift, magnetization and the flux line lattice (FLL) form factor. The anomalous H-dependence of the FLL form factor observed by the small angle neutron scattering in CeCoIn_5 is attributable to the large paramagnetic contribution.

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Masanori Ichioka, Kazushige Machida. 2007-08-01. Vortex states in superconductors with strong Pauli-paramagnetic effect. https://doi.org/10.1103/physrevb.76.064502

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