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Identification of Spin-Triplet Superconductivity through a Helical-Chiral Phase Transition in SrRuO Thin-Films
S. Ikegaya, K. Yada, Y. Tanaka +3
Despite much effort for over the two decades, the paring symmetry of a SrRuO superconductor has been still unclear. In this Rapid Communication, motivated by the recent rap…
Time-Reversal Invariant Superconductivity of SrRuO Revealed by Josephson Effects
Satoshi Kashiwaya, Kohta Saitoh, Hiromi Kashiwaya +5
SrRuO is one of the most promising candidates of a topological superconductor with broken time-reversal symmetry, because a number of experiments have revealed evidence…
Theory of Tunneling Effect in 1D AIII-class Topological Insulator (Nanowire) Proximity Coupled with a Superconductor
Ryoi Ohashi, Yukio Tanaka, Keiji Yada
We study the tunneling effect in an AIII-class insulator proximity coupled with a spin-singlet -wave superconductor, in which three phases are characterized by the integer topol…
Spin-Orbital Hallmarks of Unconventional Superconductors Without Inversion Symmetry
Yuri Fukaya, Shun Tamura, Keiji Yada +3
The spin-orbital polarization of superconducting excitations in momentum space is shown to provide distinctive marks of unconventional pairing in the presence of inversion symmetry…