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24 papers · 2 filters
Pressure-enhanced superconductivity in EuBiSF
Yongkang Luo, Hui-Fei Zhai, Pan Zhang +3
The pressure effect on the newly discovered charge-transferred BiS-based superconductor, EuBiSF, with a of 1.5 K at ambient pressure, is investigated by t…
Quantum oscillations of the superconductor LaRuP : comparable mass enhancement in Ru and Fe phosphides
Philip J. W. Moll, Jakob Kanter, Ross D. McDonald +9
We have studied the angular dependent de Haas-van Alphen oscillations of LaRuP using magnetic torque in pulsed magnetic fields up to 60T. The observed oscillation frequenci…
Evidence for broken time-reversal symmetry in the superconducting phase of URuSi
E. R. Schemm, R. E. Baumbach, P. H. Tobash +3
Recent experimental and theoretical interest in the superconducting phase of the heavy fermion material URuSi has led to a number of proposals in which the superconducting…
Avoided Valence Transition in a Plutonium Superconductor
B. J. Ramshaw, A. Shekhter, R. D. McDonald +6
Some of the most remarkable phenomena---and greatest theoretical challenges---in condensed matter physics arise when or electrons are neither fully localized around their h…
Two-channel point-contact tunneling theory of superconductors
Mikael Fogelstrom, Matthias J. Graf, V. A. Sidorov +3
We introduce a two-channel tunneling model to generalize the widely used BTK theory of point-contact conductance between a normal metal contact and superconductor. Tunneling of ele…
Quasiparticle mass enhancement approaching optimal doping in a high-Tc superconductor
B. J. Ramshaw, S. E. Sebastian, R. D. McDonald +8
In the quest for superconductors with high transition temperatures (Ts), one emerging motif is that unconventional superconductivity is enhanced by fluctuations of a b…