| 摘要 |
The present invention is to provide a graphene valley singlet-triplet qubit device. The device includes a substrate, and a graphene layer formed on the substrate. An energy gap is created between the valence band and the conduction band of the graphene layer. At least one electrical gate is configured on the graphene layer and/or on two sides of the graphene layer. The graphene layer is located in a magnetic field and a voltage is applied to at least one electrical gate, thereby creating a valley singlet-triplet qubit.
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