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Competing topological superconducting phases in FeSeTe
Chang Xu, Ka Ho Wong, Eric Mascot +1
We demonstrate that recent angle-resolved photo-emission spectroscopy experiments provide strong evidence for the existence of two competing topological superconducting phases in F…
Higher Order Topological Superconductivity in Magnet-Superconductor Hybrid Systems
Ka Ho Wong, Mark R. Hirsbrunner, Jacopo Gliozzi +4
Quantum engineering of topological superconductors and of the ensuing Majorana zero modes might hold the key for realizing a new paradigm for the implementation of topological quan…
Two-electron photoemission spectroscopy in Topological Superconductors
Ka Ho Wong, Ameya Patwardhan, Peter Abbamonte +2
We demonstrate that the photo-electron counting rate, , measured in two electron coincidence spectroscopy (2-ARPES) experiments, provides unprecedented insight into the…
Increased localization of Majorana modes in antiferromagnetic chains on superconductors
Daniel Crawford, Eric Mascot, Makoto Shimizu +4
Magnet-superconductor hybrid (MSH) systems are a key platform for custom-designed topological superconductors. Ideally, the ends of a one-dimensional MSH structure will host Majora…
Antiferromagnetism-driven two-dimensional topological nodal-point superconductivity
Maciej Bazarnik, Roberto Lo Conte, Eric Mascot +3
Magnetsuperconductor hybrids (MSHs) hold the promise to host emergent topological superconducting phases. Both one-dimensional (1D) and two-dimensional (2D) magnetic systems in…
Coupled electronic and magnetic excitations in the cuprates and their role in the superconducting transition
Francisco Restrepo, Utpal Chatterjee, Genda Gu +3
The formation of Cooper pairs, a bound state of two electrons of opposite spin and momenta by exchange of a phonon [1], is a defining feature of conventional superconductivity. In…