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van Woerkom, D.J. (author), Proutski, A. (author), Van Heck, Bernard (author), Bouman, D. (author), Väyrynen, Jukka I. (author), Glazman, Leonid I. (author), Krogstrup, P. (author), Nygård, Jesper (author), Kouwenhoven, L.P. (author), Geresdi, A. (author)
The superconducting proximity effect in semiconductor nanowires has recently enabled the study of new superconducting architectures, such as gate-tunable superconducting qubits and multiterminal Josephson junctions. As opposed to their metallic counterparts, the electron density in semiconductor nanosystems is tunable by external...
journal article 2017
Shen, J. (author), Heedt, S. (author), Borsoi, F. (author), van Heck, B. (author), Gazibegovic, S. (author), op het Veld, R.L.M. (author), Car, D. (author), Ramakers, S.J.J. (author), Wang, G. (author), Xu, D. (author), Bouman, D. (author), Geresdi, A. (author), Bakkers, E.P.A.M. (author), Kouwenhoven, L.P. (author)
The number of electrons in small metallic or semiconducting islands is quantised. When tunnelling is enabled via opaque barriers this number can change by an integer. In superconductors the addition is in units of two electron charges (2e), reflecting that the Cooper pair condensate must have an even parity. This ground state (GS) is...
journal article 2018
Laroche, D. (author), Bouman, D. (author), van Woerkom, D.J. (author), Proutski, A. (author), Murthy, Chaitanya (author), Nayak, Chetan (author), van Gulik, R.J.J. (author), Kouwenhoven, L.P. (author), Geresdi, A. (author)
Quantum computation by non-Abelian Majorana zero modes (MZMs) offers an approach to achieve fault tolerance by encoding quantum information in the non-local charge parity states of semiconductor nanowire networks in the topological superconductor regime. Thus far, experimental studies of MZMs chiefly relied on single electron tunneling...
journal article 2019