Low Energy Excitations in the Mixed State of the Anisotropic s-Wave Superconductor CeRu2

Angle-resolved specific heat measurements are preformed on the f-electron superconductor CeRu2 in rotating magnetic fields 0.5≤H≤6 T at various temperatures 0.3≤T≤2 K. In the whole H-T range examined, a clear 4-fold oscillation is observed and yields the gap minimum (maximum) located to {110} ({100}...

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Bibliographic Details
Published in:	Journal of the Physical Society of Japan Vol. 76; no. 12
Main Authors:	YAMADA, Atsushi, SAKAKIBARAI, Toshiro, CUSTERS, Jeroen, HEDO, Masato, ONUKI, Yoshichika, MIRANOVC, Predrag, MACHIDA, Kazushige
Format:	Journal Article
Language:	English
Published:	Tokyo Institute of Pure and Applied Physics 01-12-2007 Physical Society of Japan The Physical Society of Japan
Subjects:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Metals, alloys and compounds (a15, 001c15, laves phases, chevrel phases, borocarbides, etc.) Physics Superconducting materials (excluding high-tc compounds) Superconductivity Cubic lattices Angular resolution Mixed state Cerium alloys Magnetic field effects Oscillations Ruthenium alloys gap structure Microscopic model Specific heat Volovik effect Energy gap Superconductors s wave superconductivity Rotating field anisotropic s-wave superconductor Anisotropy angle-resolved specific heat measurement
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