Long-range interaction between charge and spin qubits in quantum dots

Serina, Marcel and Kloeffel, Christoph and Loss, Daniel. (2017) Long-range interaction between charge and spin qubits in quantum dots. Physical Review B, 95 (24). p. 245422.

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Official URL: https://edoc.unibas.ch/87729/

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We analyze and give estimates for the long-distance coupling via floating metallic gates between
different types of spin qubits in quantum dots made of different commonly used materials. In particular, we consider the hybrid, the singlet-triplet, and the spin-1/2 qubits, and the pairwise coupling
between each type of these qubits with another hybrid qubit in GaAs, InAs, Si, and Si0.9Ge0.1.
We show that hybrid qubits can be capacitively coupled strongly enough to implement two-qubit
gates, as long as the distance of the dots from the metallic gates is small enough. Thus, hybrid
qubits are good candidates for scalable implementations of quantum computing in semiconducting
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Apr 2022 14:54
Deposited On:06 Apr 2022 14:54

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