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Sharp magnetization jump at the first-order superconducting transition in Sr2RuO4
Shunichiro Kittaka, Akira Kasahara, Toshiro Sakakibara +5
The magnetization and magnetic torque of a high-quality single crystal of SrRuO have been measured down to 0.1 K under a precise control of the magnetic-field orientation.…
Field-Orientation Dependence of Low-Energy Quasiparticle Excitations in the Heavy-Electron Superconductor UBe13
Yusei Shimizu, Shunichiro Kittaka, Toshiro Sakakibara +5
Low-energy quasiparticle excitations in the superconducting (SC) state of UBe were studied by means of specific-heat () measurements in a rotating field. Quite unexpected…
Eilenberger theory and London theory for transverse components of flux line lattice form factors in uniaxial superconductors
Yuujirou Amano, Masahiro Ishihara, Masanori Ichioka +2
We theoretically study the magnetic field orientation dependence of longitudinal and transverse flux line lattice form factors in uniaxial superconductors with anisotropy ratio cor…
Hidden Crossover Phenomena in Strongly Pauli Limited Multiband Superconductors ---Application to CeCuSi
Yasumasa Tsutsumi, Kazushige Machida, Masanori Ichioka
Motivated by recent experiments on heavy fermion materials CeCuSi and UBe, we develop a framework to capture generic properties of multiband superconductors with str…
Symmetry Protected Topological Superfluid He-B
Takeshi Mizushima, Yasumasa Tsutsumi, Masatoshi Sato +1
Owing to the richness of symmetry and well-established knowledge on the bulk superfluidity, the superfluid He has offered a prototypical system to study intertwining of topolog…
Magnetic field distribution and characteristic fields of the vortex lattice for a clean superconducting niobium sample in an external field applied along a three-fold axis
A. Yaouanc, A. Maisuradze, N. Nakai +9
The field distribution in the vortex lattice of a pure niobium single crystal with an external field applied along a three-fold axis has been investigated by the transverse-field m…