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Superconducting contacts to topological insulators

December 12, 2011 - 12:30pm
David Goldhaber Gordon
Stanford University

I will explain motivation for studying proximity-induced superconductivity in surface states of topological insulators and will present experimental results on the phenomenology of transport through superconductor-normal-superconductor junctions, where the "normal metal" is a topological insulator. We find that a supercurrent flows through the topological insulator, likely through its surface state. I will speculate on physical connections between the transport properties and the junction geometry.

1201 Physics Building
College Park, MD 20742

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