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Physics Colloquium - Dr. Ruixing Zhang
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Dr. Ruixing Zhang, University of Tennessee
Title: Majorana Quasiparticles in Superconducting Vortices
Abstract: Type-II superconductors respond to an applied magnetic field by generating quantized Abrikosov vortices. Recently, it has been realized that, under special conditions, these vortices can trap non-Abelian fractionalized quasiparticles known as Majorana zero modes (MZMs), offering a promising platform for topological qubits. In this talk, I will explore how vortex-trapped MZMs can emerge in superconductors with conventional s-wave pairing symmetry. In particular, I will discuss recent experimental advances in high-Tc iron-based superconductors such as Fe(Te,Se) and LiFeAs, along with our theoretical efforts to resolve puzzling observations in LiFeAs. If time permits, I will also discuss key challenges and future directions in this rapidly evolving field
Sponsored by: Physics