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Field Re-entrant Superconductivity Induced by the Enhancement of Effective Mass in URhGe
Atsushi Miyake, Dai Aoki, Jacques Flouquet
High quality single crystals of a ferromagnetic superconductor URhGe were successfully grown. The electrical resistivity was measured for the field along b-axis in the orthorhombic…
A signature of hidden order in URu2Si2 : the excitation at the wavevector Q0 = (100)
A. Villaume, F. Bourdarot, E. Hassinger +4
Simultaneous neutron-scattering and thermal expansion measurements on the heavy-fermion superconductor URu2Si2 under hydrostatic pressure of 0.67 GPa have been performed in order t…
Collapse of antiferromagnetism in CeRh2Si2 : volume versus entropy
A. Villaume, D. Aoki, Y. Haga +3
The thermal expansion of the heavy fermion compound CeRh2Si2 has been measured under pressure as a function of temperature using strain gages. A large anomaly associated to the Nee…
Interplay between different states in heavy fermion physics
G. Knebel, K. Izawa, F. Bourdarot +4
Calorimetry experiments under high pressure were used to clarify the interplay between different states such as superconductivity and antiferromagnetism in CeRhIn5, spin density wa…
Direct observation of quasi-particle band in CeIrIn: Angle-resolved photoemission spectroscopy study
Shin-ichi Fujimori, Atsushi Fujimori, Kenya Shimada +11
We have performed a high-resolution angle resolved Ce 4 resonant photoemission experiment on the heavy fermion superconductor CeIrIn. We have observed a quasi-particle ba…
Coexistence of antiferromagnetism and superconductivity in CeRhIn5 under high pressure and magnetic field
G. Knebel, D. Aoki, D. Braithwaite +2
We report on detailed ac calorimetry measurements under high pressure and magnetic field of CeRhIn5. Under hydrostatic pressure the antiferromagnetic order vanishes near p_c*=2 GPa…