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Regensburg 2016 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 26: Focus Session: Engineered Magnetic Impurities: Interaction and Superconductivity

TT 26.4: Invited Talk

Tuesday, March 8, 2016, 11:15–11:45, H20

Majorana Fermions in Atomic Chains — •Ali Yazdani — Princeton University

In this talk, I will review the experimental progress in the realization of Majorana fermions in chains of magnetic atoms on the surface of a superconductor. Experimental results on the system of Fe on Pb(110) will be reviewed to show that this system has all the theoretically required criteria for hosting these exotic quasiparticles. We further show spectroscopic evidence for the presence of Majorana end modes in this system. The high resolution experimental signatures of their spatial structure agrees well with our detailed theoretical modeling of such edge modes. Finally, there has been proposal for detecting the spin signatures of these edge modes with spin polarized STM techniques. I will also describe our progress toward high resolution spin resolves measurements of the Majorana edge modes.

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