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Published November 28, 2011 | Submitted + Published + Supplemental Material
Journal Article Open

Unconventional Josephson Signatures of Majorana Bound States

Abstract

A junction between two topological superconductors containing a pair of Majorana fermions exhibits a "fractional" Josephson effect, 4π periodic in the superconductors' phase difference. An additional fractional Josephson effect, however, arises when the Majorana fermions are spatially separated by a superconducting barrier. This new term gives rise to a set of Shapiro steps which are essentially absent without Majorana modes and therefore provides a unique signature for these exotic states.

Additional Information

© 2011 American Physical Society. Received 27 July 2011; published 28 November 2011. It is a pleasure to thank M. P. A. Fisher, L. Glazman, J. Preskill, A. Kitaev, A. Stern, J. Meyer, K. Shtengel, C. Marcus, L. Kouwenhoven, and B. Halperin for useful discussions, and the Aspen Center for Physics for hospitality. We are also grateful for support from BSF, SPP1285 (DFG), the Packard Foundation, the Sherman-Fairchild Foundation, the Moore Foundation funded CEQS, and the NSF through Grant No. DMR-1055522 and IQI Grants No. PHY-0456720 and No. PHY-0803371.

Attached Files

Published - Jiang2011p16644Phys_Rev_Lett.pdf

Submitted - 1107.4102v1.pdf

Supplemental Material - README.TXT

Supplemental Material - fig_Det.eps

Supplemental Material - mtran-final-supp.bbl

Supplemental Material - mtran-final-supp.pdf

Supplemental Material - mtran-final-supp.tex

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Additional details

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August 19, 2023
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