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SUMMARY:CM Seminar: Sebastian ten Haa\, Majorana bound states in artificial Kitaev chains\, Delft University of Technology
DESCRIPTION:Speaker: Sebastian ten Haaf\, Delft University of Technology \nTime: 10:00-11:00am \nLocation: BRIM 311 \n  \nTitle: “Majorana bound states in artificial Kitaev chains” \nAbstract: “The Kitaev chain model predicts the ability to engineer localized Majorana bound states: non-Abelian zero-energy excitations that are protected from local perturbations\, which can be utilized for realizing robust quantum computation schemes. Recent work on InSb nanowires demonstrated that the ingredients for a minimal Kitaev chain\, consisting of two sites\, can be engineered by coupling quantum dots (QDs) via two second-order processes: crossed Andreev reflection and elastic co-tunnelling. To open up the path to more complex experiments\, we implemented this system in a two-dimensional electron gas (2DEG). In this talk\, I will detail the theoretical background and our experimental implementation of the Kitaev chain in the InSbAs 2DEG platform. I will highlight recent results obtained on a chain consisting of three quantum dots\, where we find that the presence of zero energy modes on the outer QDs is correlated with a bulk excitation gap in the middle QD\, demonstrating key properties of the Kitaev chain.”
URL:https://qmi.miffanytark.com/event/cm-seminar-srijit-goswami-delft-university-of-technology/
CATEGORIES:CM Seminar
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