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CeCuSi and YbRhSi: Strange Cases of Heavy-Fermion Superconductivity
Z. Y. Shan, M. Smidman, O. Stockert +6
The heavy-fermion superconductor CeCuSi exhibits two-band, -wave superconductivity with a finite energy gap over the whole Fermi surface around the magnetic instabil…
Nuclear-order-induced quantum criticality and heavy-fermion superconductivity at ultra-low temperatures in YbRhSi
Erwin Schuberth, S. Wirth, F. Steglich
The tetragonal heavy-fermion metal YbRhSi orders antiferromagnetically at mK and exhibits an unconventional quantum critical point (QCP) of Kondo-destroyin…
Suppression of ferromagnetism and influence of disorder in silicon-substituted CeRh6Ge4
Y. J. Zhang, Z. Y. Nie, R. Li +10
We report a study of isoelectronic chemical substitution in the recently discovered quantum critical ferromagnet CeRhGe. Upon silicon-doping, the ferromagnetic ordering tem…
Consecutive topological phase transitions and colossal magnetoresistance in a magnetic topological semimetal
Feng Du, Lin Yang, Zhiyong Nie +11
The combination of magnetic symmetries and electronic band topology provides a promising route for realizing topologically nontrivial quasiparticles, and the manipulation of magnet…