Towards accurate charge transport with SINIS turnstile

Maisi, V. F. and Saira, O. P. and Kemppinen, A. and Pashkin, Yu A. and Averin, D. V. and Manninen, A. and Pekola, J. P. (2012) Towards accurate charge transport with SINIS turnstile. In: 2012 Conference on Precision Electromagnetic Measurements, CPEM 2012. CPEM Digest (Conference on Precision Electromagnetic Measurements) . IEEE, USA, pp. 248-249. ISBN 9781467304399

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We discuss the current quantization obtainable in SINIS turnstiles. Various error processes, for example environmentally assisted and higher order tunneling as well as quasiparticle exitations in superconducting leads, may limit the achievable quantization. We argue that by careful design of the device, relative uncertainty of less than 10 -7, required by metrological applications, is feasible. We also present a scheme for error detection of the turnstiles.

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22 Jun 2019 01:00
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21 Nov 2022 16:55