Observation of anomalous current phase relation on Pb-Bi$_{2}$Te$_{3}$ Josephson devices
ORAL
Abstract
Josephson devices based on s-wave superconductor Pb and 3D topological insulator Bi2Te3 have been fabricated and investigated down to low temperatures. Anomalous current phase relation (CPR) was observed, indicating the existence of an unconventional component of superconductivity. Our experiment demonstrates that hybrid devices based on s-wave superconductor and 3D topological insulator might provide a platform for searching for and manipulating Majorana bound state.
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