Signatures of Majorana bound states in the diffraction patterns of extended superconductor–topological insulator–superconductor Josephson junctions
Guang Yue(University of Illinois Urbana-Champaign), C. Zhang(University of Illinois Urbana-Champaign), Erik Huemiller(University of Illinois Urbana-Champaign), Jessica Montone(University of Illinois Urbana-Champaign), Gilbert Arias(University of Illinois Urbana-Champaign), Drew G. Wild(University of Illinois Urbana-Champaign), Jered Y. Zhang(University of Illinois Urbana-Champaign), D. R. Hamilton(University of Illinois Urbana-Champaign), Xiaoyu Yuan(Rutgers, The State University of New Jersey), Xiong Yao(Rutgers, The State University of New Jersey), Deepti Jain(Rutgers, The State University of New Jersey), Jisoo Moon(Rutgers, The State University of New Jersey), M. Salehi(Rutgers, The State University of New Jersey), Nikesh Koirala(Rutgers, The State University of New Jersey), Seongshik Oh(Rutgers, The State University of New Jersey), D. J. Van Harlingen(University of Illinois Urbana-Champaign)
Cited by 9
Abstract
Lateral Josephson junctions with topological insulator barriers (S-TI-S junctions) have been proposed as a platform to support Majorana bound states that can be used for topologically protected quantum processing. Here, the authors present a compilation of measurements of the critical current versus magnetic field diffraction patterns of such junctions and compare them to a model incorporating Majorana states, taking into account the effects of junction disorder and Majorana parity fluctuations. They observe entry features and lifting of odd nodes consistent with this picture.
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