Entangling spin and charge degrees of freedom in semiconductor quantum dots

Phys. Rev. A 105, 032611 (2022) In this theoretical manuscript I propose a scheme for entangling a single electron semiconductor spin qubit with a single electron semiconductor charge qubit in a triangular triple quantum dot configuration. Two out of three quantum dots are used to define a single el...

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Bibliographic Details
Main Author Rančić, Marko J
Format Journal Article
LanguageEnglish
Published 17.01.2022
Subjects
Physics - Mesoscale and Nanoscale Physics
Physics - Quantum Physics
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Summary:Phys. Rev. A 105, 032611 (2022) In this theoretical manuscript I propose a scheme for entangling a single electron semiconductor spin qubit with a single electron semiconductor charge qubit in a triangular triple quantum dot configuration. Two out of three quantum dots are used to define a single electron semiconductor charge qubit. Furthermore, the spin qubit is embedded in the Zeeman sub-levels of the third quantum dot. Combining single qubit gates with entangling CNOT gates allows one to construct a SWAP gate, and therefore to use the semiconductor spin qubit as a long-lived memory for the semiconductor charge qubit.
DOI:10.48550/arxiv.2201.06506