Fraunhofer pattern of a Josephson junction on a topological insulator

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We theoretically study the magnetic-flux dependence of the critical current in Josephson junction formed by two s-wave superconductors on a three-dimensional topological insulator. We focus on the regime where the magnetic flux perpendicular to the junction is smaller than the flux quantum. The Fraunhofer pattern is different from the conventional form, showing fast decrease near the zero flux and nonzero critical current at the single flux quantum. These features are attributed to the Majorana fermions emerging in the junction.
Publisher
한국물리학회
Issue Date
2019-04-26
Language
English
Citation

한국물리학회 2019년 봄학술논문발표회

URI
http://hdl.handle.net/10203/271248
Appears in Collection
PH-Conference Papers(학술회의논문)
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