Matches in SemOpenAlex for { <https://semopenalex.org/work/W2270683555> ?p ?o ?g. }
- W2270683555 abstract "Coherent spatial transport or shuttling of a single electron spin through semiconductor nanostructures is an important ingredient in many spintronic and quantum computing applications. In this work we analyze the possible errors in solid-state quantum computation due to leakage in transporting a single-spin qubit through a semiconductor double quantum dot. In particular, we consider three possible sources of leakage errors associated with such transport: finite ramping times, spin-dependent tunneling rates between quantum dots induced by finite spin-orbit couplings, and the presence of multiple valley states. In each case we present quantitative estimates of the leakage errors, and discuss how they can be minimized. Moreover, we show that in order to minimize leakage errors induced by spin-dependent tunnelings, it is necessary to apply pulses to perform certain carefully designed spin rotations. We further develop a formalism that allows one to systematically derive constraints on the pulse shapes and present a few examples to highlight the advantage of such an approach." @default.
- W2270683555 created "2016-06-24" @default.
- W2270683555 creator A5022247327 @default.
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- W2270683555 creator A5083115196 @default.
- W2270683555 date "2017-07-06" @default.
- W2270683555 modified "2023-09-23" @default.
- W2270683555 title "Intrinsic errors in transporting a single-spin qubit through a double quantum dot" @default.
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- W2270683555 doi "https://doi.org/10.1103/physreva.96.012309" @default.
- W2270683555 hasPublicationYear "2017" @default.
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