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Ingla Aynés, J. (author), Rigotti Manesco, A.L. (author), Ghiasi, T.S. (author), Volosheniuk, S. (author), Watanabe, Kenji (author), Taniguchi, Takashi (author), van der Zant, H.S.J. (author)We report multiterminal measurements in a ballistic bilayer graphene (BLG) channel, where multiple spin- and valley-degenerate quantum point contacts (QPCs) are defined by electrostatic gating. By patterning QPCs of different shapes along different crystallographic directions, we study the effect of size quantization and trigonal warping on...journal article 2023
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Allen, Monica T. (author), Shtanko, Oles (author), Fulga, Ion C. (author), Wang, Joel I.J. (author), Nurgaliev, Daniyar (author), Watanabe, Kenji (author), Taniguchi, Takashi (author), Akhmerov, A.R. (author), Jarillo-Herrero, Pablo (author), Levitov, Leonid S. (author), Yacoby, Amir (author)Electron surface states in solids are typically confined to the outermost atomic layers and, due to surface disorder, have negligible impact on electronic transport. Here, we demonstrate a very different behavior for surface states in graphene. We probe the wavelike character of these states by Fabry-Perot (FP) interferometry and find that,...journal article 2017
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Fadaly, E.M.T. (author), Zhang, H. (author), Conesa Boj, S. (author), Car, D. (author), Gül, Önder (author), Plissard, Sébastien R. (author), op het Veld, R.L.M. (author), Kölling, Sebastian (author), Kouwenhoven, Leo P. (author), Bakkers, E.P.A.M. (author)Majorana zero modes (MZMs) are prime candidates for robust topological quantum bits, holding a great promise for quantum computing. Semiconducting nanowires with strong spin orbit coupling offer a promising platform to harness one-dimensional electron transport for Majorana physics. Demonstrating the topological nature of MZMs relies on...journal article 2017
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