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Topological spin liquids in the ruby lattice with anisotropic Kitaev interactions
Saeed S. Jahromi, Mehdi Kargarian, S. Farhad Masoudi +1
The ruby lattice is a four-valent lattice interpolating between honeycomb and triangular lattices. In this work we investigate the topological spin-liquid phases of a spin Hamilton…
Time-Reversal-Symmetry-Breaking Superconductivity in Epitaxial Bismuth/Nickel Bilayers
Xinxin Gong, Mehdi Kargarian, Alex Stern +6
Superconductivity that spontaneously breaks time-reversal symmetry (TRS) has been found, so far, only in a handful of 3D crystals with bulk inversion symmetry. Here we report an ob…
Amperean Pairing at the Surface of Topological Insulators
Mehdi Kargarian, Dmitry K. Efimkin, Victor Galitski
The surface of a 3D topological insulator is described by a helical electron state with the electron's spin and momentum locked together. We show that in the presence of ferromagne…