Emergent Phenomena 290S/QM Speaker Lingyuan Kong (CalTech) Wednesday, April 27 at 2:00 pm

Time/Venue Wednesday, April 27 at 2:00 pm Pacific Time in Physics South 402 and via Zoom:

Meeting ID: 995 2349 9113 Passcode: 600704
Host Joel Moore / Michal Papaj
Title Iron-based superconducting vortex: a nature-gifting platform for Majoranas
Abstract Iron-based superconducting vortex is emerging as a promising platform for Majorana quasiparticle. After four-year intensive studies, substantial achievements have been made on several compounds, including Fe(Te,Se), (Li,Fe)OHFeSe, CaKFe4As4and LiFeAs. For example, the discovery of integer series of quantized bound states manifests nontrivial topology of vortex zero mode, promises a hope to the field of Majorana research. In this talk, I will depict the main profile of this emerging Majorana platform, on the aspects of materials, bound states, experimental configurations, and etc. Its advantages on physics study and the major controversies owing to the practical diversity will be discussed in short. The systematic investigations accomplished on this platform is promoting the entrance to a second-phase research for manipulating Majorana zero modes in iron-based superconducting vortices.

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