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Fermi Surface Spin Texture and Topological Superconductivity in Spin-Orbit Free Non-Collinear Antiferromagnets
Seung Hun Lee, Bohm-Jung Yang
We explore the relationship among the magnetic ordering in real space, the resulting spin texture on the Fermi surface, and the related superconducting gap structure in non-colline…
Boundary obstructed topological superconductor in buckled honeycomb lattice under perpendicular electric field
Rasoul Ghadimi, Seung Hun Lee, Bohm-Jung Yang
In this work, we show that a buckled honeycomb lattice can host a boundary-obstructed topological superconductor (BOTS) in the presence of f-wave spin-triplet pairing (fSTP). The u…
Correlated normal state fermiology and topological superconductivity in UTe2
Hong Chul Choi, Seung Hun Lee, Bohm-Jung Yang
UTe2 is a promising candidate for spin-triplet superconductors, in which a paramagnetic normal state becomes superconducting due to spin fluctuations. The subsequent discovery of v…
Emergence of Topological Superconductivity in Doped Topological Dirac Semimetals under Symmetry-Lowering Lattice Distortions
Sangmo Cheon, Ki Hoon Lee, Suk Bum Chung +1
Recently, unconventional superconductivity having a zero-bias conductance peak is reported in doped topological Dirac semimetal (DSM) with lattice distortion. Motivated by the expe…
Anomalous Higgs oscillations mediated by Berry curvature and quantum metric
Kristian Hauser A. Villegas, Bo Yang
Higgs spectroscopy, the study of Higgs bosons of a superconductor, is an emerging field in studying superconductivity. Here we show that the Berry curvature and the quantum metric…
Odd-Parity Spin-Triplet Superconductivity in Centrosymmetric Antiferromagnetic Metals
Seung Hun Lee, Bohm-Jung Yang
We propose a route to achieve odd-parity spin-triplet superconductivity in metallic collinear antiferromagnets with inversion symmetry. Owing to the existence of hidden antiunitary…