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TT: Fachverband Tiefe Temperaturen

TT 56: Poster Session: Low-Dimensional Systems

TT 56.6: Poster

Mittwoch, 22. März 2017, 15:00–19:00, P2-OG4

Mixed singlet-triplet and possible topological superconductivity in hole doped Sr₂IrO₄ — Mohammad-Hossein Zare¹, •Mehdi Biderang², and Alireza Akbari² — ¹Department of Physics, Qom University of Technology, Qom, Iran — ²Asia Pacific Center for Theoretical Physics, POSTECH, Pohang, Korea

We investigate the potential existence of a superconducting phase in hole doped Sr₂IrO₄. Based on the mean field calculations, a mixed singlet-triplet superconductivity due to spin-orbit coupling has been found. Our calculation on a nanoribbon geometry shows possible existence of the topologically peotected edge states while the spin-triplet gap is larger than the spin-singlet one. Finally, we propose an innovative route for experimental observation of the edge states based on the quasiparticle interference (QPI) pattern.